Home / 42,539.10-63,818.16-12,959.25

Finding the Fourth Proportional to 42,539.10, 63,818.16 and 12,959.25

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Solution

The fourth proportional to 42,539.10, 63,818.16 and 12,959.25 is: 19,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.10 : 63,818.16 = 12,959.25 : x
  2. Step 2: Convert to fraction form
    42,539.10/63,818.16 = 12,959.25/x
  3. Step 3: Cross multiply
    42,539.10x = 63,818.16 × 12,959.25
  4. Step 4: Simplify right side
    42,539.10x = 827,035,489.98
  5. Step 5: Solve for x
    x = 827,035,489.98/42,539.10
  6. Step 6: Final answer
    x = 19,441.77

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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.