Home / 55,154.52-76,190.76-49,184.28

Finding the Fourth Proportional to 55,154.52, 76,190.76 and 49,184.28

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Solution

The fourth proportional to 55,154.52, 76,190.76 and 49,184.28 is: 67,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.52 : 76,190.76 = 49,184.28 : x
  2. Step 2: Convert to fraction form
    55,154.52/76,190.76 = 49,184.28/x
  3. Step 3: Cross multiply
    55,154.52x = 76,190.76 × 49,184.28
  4. Step 4: Simplify right side
    55,154.52x = 3,747,387,673.25
  5. Step 5: Solve for x
    x = 3,747,387,673.25/55,154.52
  6. Step 6: Final answer
    x = 67,943.44

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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.