Home / 42,543.84-58,791.44-31,915.02

Finding the Fourth Proportional to 42,543.84, 58,791.44 and 31,915.02

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Solution

The fourth proportional to 42,543.84, 58,791.44 and 31,915.02 is: 44,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.84 : 58,791.44 = 31,915.02 : x
  2. Step 2: Convert to fraction form
    42,543.84/58,791.44 = 31,915.02/x
  3. Step 3: Cross multiply
    42,543.84x = 58,791.44 × 31,915.02
  4. Step 4: Simplify right side
    42,543.84x = 1,876,329,983.43
  5. Step 5: Solve for x
    x = 1,876,329,983.43/42,543.84
  6. Step 6: Final answer
    x = 44,103.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.