Home / 55,347.76-76,195.17-52,805.71

Finding the Fourth Proportional to 55,347.76, 76,195.17 and 52,805.71

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Solution

The fourth proportional to 55,347.76, 76,195.17 and 52,805.71 is: 72,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.76 : 76,195.17 = 52,805.71 : x
  2. Step 2: Convert to fraction form
    55,347.76/76,195.17 = 52,805.71/x
  3. Step 3: Cross multiply
    55,347.76x = 76,195.17 × 52,805.71
  4. Step 4: Simplify right side
    55,347.76x = 4,023,540,050.42
  5. Step 5: Solve for x
    x = 4,023,540,050.42/55,347.76
  6. Step 6: Final answer
    x = 72,695.63

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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.