Home / 42,565.46-63,887.57-21,520.34

Finding the Fourth Proportional to 42,565.46, 63,887.57 and 21,520.34

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Solution

The fourth proportional to 42,565.46, 63,887.57 and 21,520.34 is: 32,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565.46 : 63,887.57 = 21,520.34 : x
  2. Step 2: Convert to fraction form
    42,565.46/63,887.57 = 21,520.34/x
  3. Step 3: Cross multiply
    42,565.46x = 63,887.57 × 21,520.34
  4. Step 4: Simplify right side
    42,565.46x = 1,374,881,801.13
  5. Step 5: Solve for x
    x = 1,374,881,801.13/42,565.46
  6. Step 6: Final answer
    x = 32,300.41

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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.