Home / 49,553.55-74,329.68-12,113.95

Finding the Fourth Proportional to 49,553.55, 74,329.68 and 12,113.95

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Solution

The fourth proportional to 49,553.55, 74,329.68 and 12,113.95 is: 18,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,553.55 : 74,329.68 = 12,113.95 : x
  2. Step 2: Convert to fraction form
    49,553.55/74,329.68 = 12,113.95/x
  3. Step 3: Cross multiply
    49,553.55x = 74,329.68 × 12,113.95
  4. Step 4: Simplify right side
    49,553.55x = 900,426,027.04
  5. Step 5: Solve for x
    x = 900,426,027.04/49,553.55
  6. Step 6: Final answer
    x = 18,170.77

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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.