Home / 48,960-73,439.82-13,899.66

Finding the Fourth Proportional to 48,960, 73,439.82 and 13,899.66

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Solution

The fourth proportional to 48,960, 73,439.82 and 13,899.66 is: 20,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,960 : 73,439.82 = 13,899.66 : x
  2. Step 2: Convert to fraction form
    48,960/73,439.82 = 13,899.66/x
  3. Step 3: Cross multiply
    48,960x = 73,439.82 × 13,899.66
  4. Step 4: Simplify right side
    48,960x = 1,020,788,528.46
  5. Step 5: Solve for x
    x = 1,020,788,528.46/48,960
  6. Step 6: Final answer
    x = 20,849.44

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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.