Home / 57,455.43-86,263.87-29,395.61

Finding the Fourth Proportional to 57,455.43, 86,263.87 and 29,395.61

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Solution

The fourth proportional to 57,455.43, 86,263.87 and 29,395.61 is: 44,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.43 : 86,263.87 = 29,395.61 : x
  2. Step 2: Convert to fraction form
    57,455.43/86,263.87 = 29,395.61/x
  3. Step 3: Cross multiply
    57,455.43x = 86,263.87 × 29,395.61
  4. Step 4: Simplify right side
    57,455.43x = 2,535,778,953.41
  5. Step 5: Solve for x
    x = 2,535,778,953.41/57,455.43
  6. Step 6: Final answer
    x = 44,134.72

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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.