Home / 53,158.39-79,737.92-13,715.84

Finding the Fourth Proportional to 53,158.39, 79,737.92 and 13,715.84

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Solution

The fourth proportional to 53,158.39, 79,737.92 and 13,715.84 is: 20,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.39 : 79,737.92 = 13,715.84 : x
  2. Step 2: Convert to fraction form
    53,158.39/79,737.92 = 13,715.84/x
  3. Step 3: Cross multiply
    53,158.39x = 79,737.92 × 13,715.84
  4. Step 4: Simplify right side
    53,158.39x = 1,093,672,552.65
  5. Step 5: Solve for x
    x = 1,093,672,552.65/53,158.39
  6. Step 6: Final answer
    x = 20,573.85

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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.