Home / 53,230.91-79,877.34-19,974.20

Finding the Fourth Proportional to 53,230.91, 79,877.34 and 19,974.20

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Solution

The fourth proportional to 53,230.91, 79,877.34 and 19,974.20 is: 29,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.91 : 79,877.34 = 19,974.20 : x
  2. Step 2: Convert to fraction form
    53,230.91/79,877.34 = 19,974.20/x
  3. Step 3: Cross multiply
    53,230.91x = 79,877.34 × 19,974.20
  4. Step 4: Simplify right side
    53,230.91x = 1,595,485,565.24
  5. Step 5: Solve for x
    x = 1,595,485,565.24/53,230.91
  6. Step 6: Final answer
    x = 29,972.92

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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.