Home / 42,200.90-63,313.65-15,549.57

Finding the Fourth Proportional to 42,200.90, 63,313.65 and 15,549.57

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Solution

The fourth proportional to 42,200.90, 63,313.65 and 15,549.57 is: 23,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,200.90 : 63,313.65 = 15,549.57 : x
  2. Step 2: Convert to fraction form
    42,200.90/63,313.65 = 15,549.57/x
  3. Step 3: Cross multiply
    42,200.90x = 63,313.65 × 15,549.57
  4. Step 4: Simplify right side
    42,200.90x = 984,500,032.63
  5. Step 5: Solve for x
    x = 984,500,032.63/42,200.90
  6. Step 6: Final answer
    x = 23,328.89

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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.