Home / 42,188.85-63,135.05-33,331.50

Finding the Fourth Proportional to 42,188.85, 63,135.05 and 33,331.50

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Solution

The fourth proportional to 42,188.85, 63,135.05 and 33,331.50 is: 49,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.85 : 63,135.05 = 33,331.50 : x
  2. Step 2: Convert to fraction form
    42,188.85/63,135.05 = 33,331.50/x
  3. Step 3: Cross multiply
    42,188.85x = 63,135.05 × 33,331.50
  4. Step 4: Simplify right side
    42,188.85x = 2,104,385,752.42
  5. Step 5: Solve for x
    x = 2,104,385,752.42/42,188.85
  6. Step 6: Final answer
    x = 49,880.14

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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.