Home / 39,462.60-54,457.68-21,557.13

Finding the Fourth Proportional to 39,462.60, 54,457.68 and 21,557.13

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Solution

The fourth proportional to 39,462.60, 54,457.68 and 21,557.13 is: 29,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.60 : 54,457.68 = 21,557.13 : x
  2. Step 2: Convert to fraction form
    39,462.60/54,457.68 = 21,557.13/x
  3. Step 3: Cross multiply
    39,462.60x = 54,457.68 × 21,557.13
  4. Step 4: Simplify right side
    39,462.60x = 1,173,951,287.26
  5. Step 5: Solve for x
    x = 1,173,951,287.26/39,462.60
  6. Step 6: Final answer
    x = 29,748.45

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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.