Home / 42,126.89-63,159.14-25,482.87

Finding the Fourth Proportional to 42,126.89, 63,159.14 and 25,482.87

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Solution

The fourth proportional to 42,126.89, 63,159.14 and 25,482.87 is: 38,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.89 : 63,159.14 = 25,482.87 : x
  2. Step 2: Convert to fraction form
    42,126.89/63,159.14 = 25,482.87/x
  3. Step 3: Cross multiply
    42,126.89x = 63,159.14 × 25,482.87
  4. Step 4: Simplify right side
    42,126.89x = 1,609,476,217.64
  5. Step 5: Solve for x
    x = 1,609,476,217.64/42,126.89
  6. Step 6: Final answer
    x = 38,205.44

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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.