Home / 52,330.78-72,218.38-29,979.10

Finding the Fourth Proportional to 52,330.78, 72,218.38 and 29,979.10

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Solution

The fourth proportional to 52,330.78, 72,218.38 and 29,979.10 is: 41,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,330.78 : 72,218.38 = 29,979.10 : x
  2. Step 2: Convert to fraction form
    52,330.78/72,218.38 = 29,979.10/x
  3. Step 3: Cross multiply
    52,330.78x = 72,218.38 × 29,979.10
  4. Step 4: Simplify right side
    52,330.78x = 2,165,041,780.36
  5. Step 5: Solve for x
    x = 2,165,041,780.36/52,330.78
  6. Step 6: Final answer
    x = 41,372.25

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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.