Home / 47,053.43-64,905.20-27,920.59

Finding the Fourth Proportional to 47,053.43, 64,905.20 and 27,920.59

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Solution

The fourth proportional to 47,053.43, 64,905.20 and 27,920.59 is: 38,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.43 : 64,905.20 = 27,920.59 : x
  2. Step 2: Convert to fraction form
    47,053.43/64,905.20 = 27,920.59/x
  3. Step 3: Cross multiply
    47,053.43x = 64,905.20 × 27,920.59
  4. Step 4: Simplify right side
    47,053.43x = 1,812,191,176.20
  5. Step 5: Solve for x
    x = 1,812,191,176.20/47,053.43
  6. Step 6: Final answer
    x = 38,513.48

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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.