Home / 57,499.30-86,070.57-31,138.66

Finding the Fourth Proportional to 57,499.30, 86,070.57 and 31,138.66

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Solution

The fourth proportional to 57,499.30, 86,070.57 and 31,138.66 is: 46,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.30 : 86,070.57 = 31,138.66 : x
  2. Step 2: Convert to fraction form
    57,499.30/86,070.57 = 31,138.66/x
  3. Step 3: Cross multiply
    57,499.30x = 86,070.57 × 31,138.66
  4. Step 4: Simplify right side
    57,499.30x = 2,680,122,215.24
  5. Step 5: Solve for x
    x = 2,680,122,215.24/57,499.30
  6. Step 6: Final answer
    x = 46,611.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.