Home / 47,005.17-64,856.65-27,875.23

Finding the Fourth Proportional to 47,005.17, 64,856.65 and 27,875.23

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Solution

The fourth proportional to 47,005.17, 64,856.65 and 27,875.23 is: 38,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.17 : 64,856.65 = 27,875.23 : x
  2. Step 2: Convert to fraction form
    47,005.17/64,856.65 = 27,875.23/x
  3. Step 3: Cross multiply
    47,005.17x = 64,856.65 × 27,875.23
  4. Step 4: Simplify right side
    47,005.17x = 1,807,893,572.12
  5. Step 5: Solve for x
    x = 1,807,893,572.12/47,005.17
  6. Step 6: Final answer
    x = 38,461.59

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Half scale
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Double scale
Find fourth proportional to 47,006.17, 64,858.02 and 27,876.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.