Home / 45,251.27-67,886.66-13,658.69

Finding the Fourth Proportional to 45,251.27, 67,886.66 and 13,658.69

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Solution

The fourth proportional to 45,251.27, 67,886.66 and 13,658.69 is: 20,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.27 : 67,886.66 = 13,658.69 : x
  2. Step 2: Convert to fraction form
    45,251.27/67,886.66 = 13,658.69/x
  3. Step 3: Cross multiply
    45,251.27x = 67,886.66 × 13,658.69
  4. Step 4: Simplify right side
    45,251.27x = 927,242,844.08
  5. Step 5: Solve for x
    x = 927,242,844.08/45,251.27
  6. Step 6: Final answer
    x = 20,490.98

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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.