Home / 55,206.50-76,182.68-31,332.74

Finding the Fourth Proportional to 55,206.50, 76,182.68 and 31,332.74

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Solution

The fourth proportional to 55,206.50, 76,182.68 and 31,332.74 is: 43,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.50 : 76,182.68 = 31,332.74 : x
  2. Step 2: Convert to fraction form
    55,206.50/76,182.68 = 31,332.74/x
  3. Step 3: Cross multiply
    55,206.50x = 76,182.68 × 31,332.74
  4. Step 4: Simplify right side
    55,206.50x = 2,387,012,104.94
  5. Step 5: Solve for x
    x = 2,387,012,104.94/55,206.50
  6. Step 6: Final answer
    x = 43,237.88

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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.