Home / 42,531.47-63,729.16-36,271.79

Finding the Fourth Proportional to 42,531.47, 63,729.16 and 36,271.79

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Solution

The fourth proportional to 42,531.47, 63,729.16 and 36,271.79 is: 54,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,531.47 : 63,729.16 = 36,271.79 : x
  2. Step 2: Convert to fraction form
    42,531.47/63,729.16 = 36,271.79/x
  3. Step 3: Cross multiply
    42,531.47x = 63,729.16 × 36,271.79
  4. Step 4: Simplify right side
    42,531.47x = 2,311,570,708.40
  5. Step 5: Solve for x
    x = 2,311,570,708.40/42,531.47
  6. Step 6: Final answer
    x = 54,349.65

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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.