Home / 57,291.28-79,042.98-34,637.20

Finding the Fourth Proportional to 57,291.28, 79,042.98 and 34,637.20

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Solution

The fourth proportional to 57,291.28, 79,042.98 and 34,637.20 is: 47,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.28 : 79,042.98 = 34,637.20 : x
  2. Step 2: Convert to fraction form
    57,291.28/79,042.98 = 34,637.20/x
  3. Step 3: Cross multiply
    57,291.28x = 79,042.98 × 34,637.20
  4. Step 4: Simplify right side
    57,291.28x = 2,737,827,506.86
  5. Step 5: Solve for x
    x = 2,737,827,506.86/57,291.28
  6. Step 6: Final answer
    x = 47,787.86

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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.