Home / 47,985.92-66,207.12-27,838.80

Finding the Fourth Proportional to 47,985.92, 66,207.12 and 27,838.80

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Solution

The fourth proportional to 47,985.92, 66,207.12 and 27,838.80 is: 38,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.92 : 66,207.12 = 27,838.80 : x
  2. Step 2: Convert to fraction form
    47,985.92/66,207.12 = 27,838.80/x
  3. Step 3: Cross multiply
    47,985.92x = 66,207.12 × 27,838.80
  4. Step 4: Simplify right side
    47,985.92x = 1,843,126,772.26
  5. Step 5: Solve for x
    x = 1,843,126,772.26/47,985.92
  6. Step 6: Final answer
    x = 38,409.74

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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.