Home / 42,497.46-63,753.48-12,918.24

Finding the Fourth Proportional to 42,497.46, 63,753.48 and 12,918.24

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Solution

The fourth proportional to 42,497.46, 63,753.48 and 12,918.24 is: 19,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497.46 : 63,753.48 = 12,918.24 : x
  2. Step 2: Convert to fraction form
    42,497.46/63,753.48 = 12,918.24/x
  3. Step 3: Cross multiply
    42,497.46x = 63,753.48 × 12,918.24
  4. Step 4: Simplify right side
    42,497.46x = 823,582,755.48
  5. Step 5: Solve for x
    x = 823,582,755.48/42,497.46
  6. Step 6: Final answer
    x = 19,379.58

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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.