Home / 42,543.99-63,825.50-12,964.14

Finding the Fourth Proportional to 42,543.99, 63,825.50 and 12,964.14

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Solution

The fourth proportional to 42,543.99, 63,825.50 and 12,964.14 is: 19,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.99 : 63,825.50 = 12,964.14 : x
  2. Step 2: Convert to fraction form
    42,543.99/63,825.50 = 12,964.14/x
  3. Step 3: Cross multiply
    42,543.99x = 63,825.50 × 12,964.14
  4. Step 4: Simplify right side
    42,543.99x = 827,442,717.57
  5. Step 5: Solve for x
    x = 827,442,717.57/42,543.99
  6. Step 6: Final answer
    x = 19,449.11

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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.