Home / 42,531.62-63,797.45-19,130.72

Finding the Fourth Proportional to 42,531.62, 63,797.45 and 19,130.72

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Solution

The fourth proportional to 42,531.62, 63,797.45 and 19,130.72 is: 28,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.62 : 63,797.45 = 19,130.72 : x
  2. Step 2: Convert to fraction form
    42,531.62/63,797.45 = 19,130.72/x
  3. Step 3: Cross multiply
    42,531.62x = 63,797.45 × 19,130.72
  4. Step 4: Simplify right side
    42,531.62x = 1,220,490,738.02
  5. Step 5: Solve for x
    x = 1,220,490,738.02/42,531.62
  6. Step 6: Final answer
    x = 28,696.08

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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.