Home / 39,464.59-54,464.88-21,562.28

Finding the Fourth Proportional to 39,464.59, 54,464.88 and 21,562.28

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Solution

The fourth proportional to 39,464.59, 54,464.88 and 21,562.28 is: 29,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.59 : 54,464.88 = 21,562.28 : x
  2. Step 2: Convert to fraction form
    39,464.59/54,464.88 = 21,562.28/x
  3. Step 3: Cross multiply
    39,464.59x = 54,464.88 × 21,562.28
  4. Step 4: Simplify right side
    39,464.59x = 1,174,386,992.73
  5. Step 5: Solve for x
    x = 1,174,386,992.73/39,464.59
  6. Step 6: Final answer
    x = 29,758.00

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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.