Home / 42,625.65-63,936.15-13,043.47

Finding the Fourth Proportional to 42,625.65, 63,936.15 and 13,043.47

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Solution

The fourth proportional to 42,625.65, 63,936.15 and 13,043.47 is: 19,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.65 : 63,936.15 = 13,043.47 : x
  2. Step 2: Convert to fraction form
    42,625.65/63,936.15 = 13,043.47/x
  3. Step 3: Cross multiply
    42,625.65x = 63,936.15 × 13,043.47
  4. Step 4: Simplify right side
    42,625.65x = 833,949,254.44
  5. Step 5: Solve for x
    x = 833,949,254.44/42,625.65
  6. Step 6: Final answer
    x = 19,564.49

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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.