Home / 48,105.68-72,158.55-13,045.34

Finding the Fourth Proportional to 48,105.68, 72,158.55 and 13,045.34

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Solution

The fourth proportional to 48,105.68, 72,158.55 and 13,045.34 is: 19,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.68 : 72,158.55 = 13,045.34 : x
  2. Step 2: Convert to fraction form
    48,105.68/72,158.55 = 13,045.34/x
  3. Step 3: Cross multiply
    48,105.68x = 72,158.55 × 13,045.34
  4. Step 4: Simplify right side
    48,105.68x = 941,332,818.66
  5. Step 5: Solve for x
    x = 941,332,818.66/48,105.68
  6. Step 6: Final answer
    x = 19,568.02

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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.