Home / 57,328.98-79,140.69-38,240.52

Finding the Fourth Proportional to 57,328.98, 79,140.69 and 38,240.52

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Solution

The fourth proportional to 57,328.98, 79,140.69 and 38,240.52 is: 52,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.98 : 79,140.69 = 38,240.52 : x
  2. Step 2: Convert to fraction form
    57,328.98/79,140.69 = 38,240.52/x
  3. Step 3: Cross multiply
    57,328.98x = 79,140.69 × 38,240.52
  4. Step 4: Simplify right side
    57,328.98x = 3,026,381,138.76
  5. Step 5: Solve for x
    x = 3,026,381,138.76/57,328.98
  6. Step 6: Final answer
    x = 52,789.73

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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.