Home / 39,225.97-54,132.89-21,322.18

Finding the Fourth Proportional to 39,225.97, 54,132.89 and 21,322.18

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Solution

The fourth proportional to 39,225.97, 54,132.89 and 21,322.18 is: 29,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.97 : 54,132.89 = 21,322.18 : x
  2. Step 2: Convert to fraction form
    39,225.97/54,132.89 = 21,322.18/x
  3. Step 3: Cross multiply
    39,225.97x = 54,132.89 × 21,322.18
  4. Step 4: Simplify right side
    39,225.97x = 1,154,231,224.50
  5. Step 5: Solve for x
    x = 1,154,231,224.50/39,225.97
  6. Step 6: Final answer
    x = 29,425.18

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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.