Home / 42,014.30-63,031.50-12,028.95

Finding the Fourth Proportional to 42,014.30, 63,031.50 and 12,028.95

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Solution

The fourth proportional to 42,014.30, 63,031.50 and 12,028.95 is: 18,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.30 : 63,031.50 = 12,028.95 : x
  2. Step 2: Convert to fraction form
    42,014.30/63,031.50 = 12,028.95/x
  3. Step 3: Cross multiply
    42,014.30x = 63,031.50 × 12,028.95
  4. Step 4: Simplify right side
    42,014.30x = 758,202,761.93
  5. Step 5: Solve for x
    x = 758,202,761.93/42,014.30
  6. Step 6: Final answer
    x = 18,046.30

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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.