Home / 52,279.12-72,146.34-31,058.44

Finding the Fourth Proportional to 52,279.12, 72,146.34 and 31,058.44

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Solution

The fourth proportional to 52,279.12, 72,146.34 and 31,058.44 is: 42,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.12 : 72,146.34 = 31,058.44 : x
  2. Step 2: Convert to fraction form
    52,279.12/72,146.34 = 31,058.44/x
  3. Step 3: Cross multiply
    52,279.12x = 72,146.34 × 31,058.44
  4. Step 4: Simplify right side
    52,279.12x = 2,240,752,772.11
  5. Step 5: Solve for x
    x = 2,240,752,772.11/52,279.12
  6. Step 6: Final answer
    x = 42,861.33

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1.5x scale

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.