Home / 55,117.20-76,062.30-29,967.24

Finding the Fourth Proportional to 55,117.20, 76,062.30 and 29,967.24

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Solution

The fourth proportional to 55,117.20, 76,062.30 and 29,967.24 is: 41,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.20 : 76,062.30 = 29,967.24 : x
  2. Step 2: Convert to fraction form
    55,117.20/76,062.30 = 29,967.24/x
  3. Step 3: Cross multiply
    55,117.20x = 76,062.30 × 29,967.24
  4. Step 4: Simplify right side
    55,117.20x = 2,279,377,199.05
  5. Step 5: Solve for x
    x = 2,279,377,199.05/55,117.20
  6. Step 6: Final answer
    x = 41,355.10

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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.