Home / 42,565.41-63,887.46-21,520.26

Finding the Fourth Proportional to 42,565.41, 63,887.46 and 21,520.26

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Solution

The fourth proportional to 42,565.41, 63,887.46 and 21,520.26 is: 32,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565.41 : 63,887.46 = 21,520.26 : x
  2. Step 2: Convert to fraction form
    42,565.41/63,887.46 = 21,520.26/x
  3. Step 3: Cross multiply
    42,565.41x = 63,887.46 × 21,520.26
  4. Step 4: Simplify right side
    42,565.41x = 1,374,874,749.94
  5. Step 5: Solve for x
    x = 1,374,874,749.94/42,565.41
  6. Step 6: Final answer
    x = 32,300.28

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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.