Home / 42,292.95-63,372.68-15,602.21

Finding the Fourth Proportional to 42,292.95, 63,372.68 and 15,602.21

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Solution

The fourth proportional to 42,292.95, 63,372.68 and 15,602.21 is: 23,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,292.95 : 63,372.68 = 15,602.21 : x
  2. Step 2: Convert to fraction form
    42,292.95/63,372.68 = 15,602.21/x
  3. Step 3: Cross multiply
    42,292.95x = 63,372.68 × 15,602.21
  4. Step 4: Simplify right side
    42,292.95x = 988,753,762.90
  5. Step 5: Solve for x
    x = 988,753,762.90/42,292.95
  6. Step 6: Final answer
    x = 23,378.69

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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.