Home / 42,320.43-63,483.84-14,240.57

Finding the Fourth Proportional to 42,320.43, 63,483.84 and 14,240.57

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Solution

The fourth proportional to 42,320.43, 63,483.84 and 14,240.57 is: 21,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.43 : 63,483.84 = 14,240.57 : x
  2. Step 2: Convert to fraction form
    42,320.43/63,483.84 = 14,240.57/x
  3. Step 3: Cross multiply
    42,320.43x = 63,483.84 × 14,240.57
  4. Step 4: Simplify right side
    42,320.43x = 904,045,749.97
  5. Step 5: Solve for x
    x = 904,045,749.97/42,320.43
  6. Step 6: Final answer
    x = 21,361.92

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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.