Home / 39,464.91-54,461.77-21,560.21

Finding the Fourth Proportional to 39,464.91, 54,461.77 and 21,560.21

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Solution

The fourth proportional to 39,464.91, 54,461.77 and 21,560.21 is: 29,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.91 : 54,461.77 = 21,560.21 : x
  2. Step 2: Convert to fraction form
    39,464.91/54,461.77 = 21,560.21/x
  3. Step 3: Cross multiply
    39,464.91x = 54,461.77 × 21,560.21
  4. Step 4: Simplify right side
    39,464.91x = 1,174,207,305.95
  5. Step 5: Solve for x
    x = 1,174,207,305.95/39,464.91
  6. Step 6: Final answer
    x = 29,753.20

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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.