Home / 55,573.57-76,691.52-30,423.07

Finding the Fourth Proportional to 55,573.57, 76,691.52 and 30,423.07

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Solution

The fourth proportional to 55,573.57, 76,691.52 and 30,423.07 is: 41,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.57 : 76,691.52 = 30,423.07 : x
  2. Step 2: Convert to fraction form
    55,573.57/76,691.52 = 30,423.07/x
  3. Step 3: Cross multiply
    55,573.57x = 76,691.52 × 30,423.07
  4. Step 4: Simplify right side
    55,573.57x = 2,333,191,173.97
  5. Step 5: Solve for x
    x = 2,333,191,173.97/55,573.57
  6. Step 6: Final answer
    x = 41,983.83

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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.