Home / 42,639.90-63,923.38-16,363.50

Finding the Fourth Proportional to 42,639.90, 63,923.38 and 16,363.50

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Solution

The fourth proportional to 42,639.90, 63,923.38 and 16,363.50 is: 24,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.90 : 63,923.38 = 16,363.50 : x
  2. Step 2: Convert to fraction form
    42,639.90/63,923.38 = 16,363.50/x
  3. Step 3: Cross multiply
    42,639.90x = 63,923.38 × 16,363.50
  4. Step 4: Simplify right side
    42,639.90x = 1,046,010,228.63
  5. Step 5: Solve for x
    x = 1,046,010,228.63/42,639.90
  6. Step 6: Final answer
    x = 24,531.25

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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.