Home / 39,463.28-54,460.64-21,559.95

Finding the Fourth Proportional to 39,463.28, 54,460.64 and 21,559.95

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Solution

The fourth proportional to 39,463.28, 54,460.64 and 21,559.95 is: 29,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.28 : 54,460.64 = 21,559.95 : x
  2. Step 2: Convert to fraction form
    39,463.28/54,460.64 = 21,559.95/x
  3. Step 3: Cross multiply
    39,463.28x = 54,460.64 × 21,559.95
  4. Step 4: Simplify right side
    39,463.28x = 1,174,168,567.57
  5. Step 5: Solve for x
    x = 1,174,168,567.57/39,463.28
  6. Step 6: Final answer
    x = 29,753.45

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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.