Home / 45,246.08-67,877.97-13,658.72

Finding the Fourth Proportional to 45,246.08, 67,877.97 and 13,658.72

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Solution

The fourth proportional to 45,246.08, 67,877.97 and 13,658.72 is: 20,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.08 : 67,877.97 = 13,658.72 : x
  2. Step 2: Convert to fraction form
    45,246.08/67,877.97 = 13,658.72/x
  3. Step 3: Cross multiply
    45,246.08x = 67,877.97 × 13,658.72
  4. Step 4: Simplify right side
    45,246.08x = 927,126,186.40
  5. Step 5: Solve for x
    x = 927,126,186.40/45,246.08
  6. Step 6: Final answer
    x = 20,490.75

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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.