Home / 55,276.18-76,281.38-31,404.17

Finding the Fourth Proportional to 55,276.18, 76,281.38 and 31,404.17

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Solution

The fourth proportional to 55,276.18, 76,281.38 and 31,404.17 is: 43,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.18 : 76,281.38 = 31,404.17 : x
  2. Step 2: Convert to fraction form
    55,276.18/76,281.38 = 31,404.17/x
  3. Step 3: Cross multiply
    55,276.18x = 76,281.38 × 31,404.17
  4. Step 4: Simplify right side
    55,276.18x = 2,395,553,043.95
  5. Step 5: Solve for x
    x = 2,395,553,043.95/55,276.18
  6. Step 6: Final answer
    x = 43,337.89

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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.