Home / 71,567.47-107,355.12-21,646.36

Finding the Fourth Proportional to 71,567.47, 107,355.12 and 21,646.36

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Solution

The fourth proportional to 71,567.47, 107,355.12 and 21,646.36 is: 32,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.47 : 107,355.12 = 21,646.36 : x
  2. Step 2: Convert to fraction form
    71,567.47/107,355.12 = 21,646.36/x
  3. Step 3: Cross multiply
    71,567.47x = 107,355.12 × 21,646.36
  4. Step 4: Simplify right side
    71,567.47x = 2,323,847,575.36
  5. Step 5: Solve for x
    x = 2,323,847,575.36/71,567.47
  6. Step 6: Final answer
    x = 32,470.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.