Home / 58,431.15-80,635.20-31,573.86

Finding the Fourth Proportional to 58,431.15, 80,635.20 and 31,573.86

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Solution

The fourth proportional to 58,431.15, 80,635.20 and 31,573.86 is: 43,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.15 : 80,635.20 = 31,573.86 : x
  2. Step 2: Convert to fraction form
    58,431.15/80,635.20 = 31,573.86/x
  3. Step 3: Cross multiply
    58,431.15x = 80,635.20 × 31,573.86
  4. Step 4: Simplify right side
    58,431.15x = 2,545,964,515.87
  5. Step 5: Solve for x
    x = 2,545,964,515.87/58,431.15
  6. Step 6: Final answer
    x = 43,572.04

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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.