Home / 57,085.18-78,775.60-31,592.62

Finding the Fourth Proportional to 57,085.18, 78,775.60 and 31,592.62

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Solution

The fourth proportional to 57,085.18, 78,775.60 and 31,592.62 is: 43,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.18 : 78,775.60 = 31,592.62 : x
  2. Step 2: Convert to fraction form
    57,085.18/78,775.60 = 31,592.62/x
  3. Step 3: Cross multiply
    57,085.18x = 78,775.60 × 31,592.62
  4. Step 4: Simplify right side
    57,085.18x = 2,488,727,596.07
  5. Step 5: Solve for x
    x = 2,488,727,596.07/57,085.18
  6. Step 6: Final answer
    x = 43,596.74

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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.