Home / 51,154.47-76,719.55-19,552.92

Finding the Fourth Proportional to 51,154.47, 76,719.55 and 19,552.92

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Solution

The fourth proportional to 51,154.47, 76,719.55 and 19,552.92 is: 29,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.47 : 76,719.55 = 19,552.92 : x
  2. Step 2: Convert to fraction form
    51,154.47/76,719.55 = 19,552.92/x
  3. Step 3: Cross multiply
    51,154.47x = 76,719.55 × 19,552.92
  4. Step 4: Simplify right side
    51,154.47x = 1,500,091,223.59
  5. Step 5: Solve for x
    x = 1,500,091,223.59/51,154.47
  6. Step 6: Final answer
    x = 29,324.73

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1.5x scale

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.