Home / 42,575.07-63,831.40-14,487.58

Finding the Fourth Proportional to 42,575.07, 63,831.40 and 14,487.58

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Solution

The fourth proportional to 42,575.07, 63,831.40 and 14,487.58 is: 21,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575.07 : 63,831.40 = 14,487.58 : x
  2. Step 2: Convert to fraction form
    42,575.07/63,831.40 = 14,487.58/x
  3. Step 3: Cross multiply
    42,575.07x = 63,831.40 × 14,487.58
  4. Step 4: Simplify right side
    42,575.07x = 924,762,318.21
  5. Step 5: Solve for x
    x = 924,762,318.21/42,575.07
  6. Step 6: Final answer
    x = 21,720.75

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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.