Home / 39,456.04-54,442.10-22,459.28

Finding the Fourth Proportional to 39,456.04, 54,442.10 and 22,459.28

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Solution

The fourth proportional to 39,456.04, 54,442.10 and 22,459.28 is: 30,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.04 : 54,442.10 = 22,459.28 : x
  2. Step 2: Convert to fraction form
    39,456.04/54,442.10 = 22,459.28/x
  3. Step 3: Cross multiply
    39,456.04x = 54,442.10 × 22,459.28
  4. Step 4: Simplify right side
    39,456.04x = 1,222,730,367.69
  5. Step 5: Solve for x
    x = 1,222,730,367.69/39,456.04
  6. Step 6: Final answer
    x = 30,989.69

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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.