Home / 53,229.24-79,677.79-39,205.10

Finding the Fourth Proportional to 53,229.24, 79,677.79 and 39,205.10

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Solution

The fourth proportional to 53,229.24, 79,677.79 and 39,205.10 is: 58,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.24 : 79,677.79 = 39,205.10 : x
  2. Step 2: Convert to fraction form
    53,229.24/79,677.79 = 39,205.10/x
  3. Step 3: Cross multiply
    53,229.24x = 79,677.79 × 39,205.10
  4. Step 4: Simplify right side
    53,229.24x = 3,123,775,825.91
  5. Step 5: Solve for x
    x = 3,123,775,825.91/53,229.24
  6. Step 6: Final answer
    x = 58,685.34

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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.