Home / 42,612.10-63,918.15-13,029.93

Finding the Fourth Proportional to 42,612.10, 63,918.15 and 13,029.93

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Solution

The fourth proportional to 42,612.10, 63,918.15 and 13,029.93 is: 19,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.10 : 63,918.15 = 13,029.93 : x
  2. Step 2: Convert to fraction form
    42,612.10/63,918.15 = 13,029.93/x
  3. Step 3: Cross multiply
    42,612.10x = 63,918.15 × 13,029.93
  4. Step 4: Simplify right side
    42,612.10x = 832,849,180.02
  5. Step 5: Solve for x
    x = 832,849,180.02/42,612.10
  6. Step 6: Final answer
    x = 19,544.90

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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.