Home / 57,302.75-79,082.52-31,810.70

Finding the Fourth Proportional to 57,302.75, 79,082.52 and 31,810.70

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Solution

The fourth proportional to 57,302.75, 79,082.52 and 31,810.70 is: 43,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302.75 : 79,082.52 = 31,810.70 : x
  2. Step 2: Convert to fraction form
    57,302.75/79,082.52 = 31,810.70/x
  3. Step 3: Cross multiply
    57,302.75x = 79,082.52 × 31,810.70
  4. Step 4: Simplify right side
    57,302.75x = 2,515,670,318.96
  5. Step 5: Solve for x
    x = 2,515,670,318.96/57,302.75
  6. Step 6: Final answer
    x = 43,901.39

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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.