Home / 57,084.55-78,774.74-31,591.99

Finding the Fourth Proportional to 57,084.55, 78,774.74 and 31,591.99

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Solution

The fourth proportional to 57,084.55, 78,774.74 and 31,591.99 is: 43,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.55 : 78,774.74 = 31,591.99 : x
  2. Step 2: Convert to fraction form
    57,084.55/78,774.74 = 31,591.99/x
  3. Step 3: Cross multiply
    57,084.55x = 78,774.74 × 31,591.99
  4. Step 4: Simplify right side
    57,084.55x = 2,488,650,798.33
  5. Step 5: Solve for x
    x = 2,488,650,798.33/57,084.55
  6. Step 6: Final answer
    x = 43,595.87

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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.