Home / 57,034.58-78,713.32-31,546.92

Finding the Fourth Proportional to 57,034.58, 78,713.32 and 31,546.92

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Solution

The fourth proportional to 57,034.58, 78,713.32 and 31,546.92 is: 43,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.58 : 78,713.32 = 31,546.92 : x
  2. Step 2: Convert to fraction form
    57,034.58/78,713.32 = 31,546.92/x
  3. Step 3: Cross multiply
    57,034.58x = 78,713.32 × 31,546.92
  4. Step 4: Simplify right side
    57,034.58x = 2,483,162,641.67
  5. Step 5: Solve for x
    x = 2,483,162,641.67/57,034.58
  6. Step 6: Final answer
    x = 43,537.84

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Double scale
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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.