Home / 48,019.50-72,029.25-15,187.50

Finding the Fourth Proportional to 48,019.50, 72,029.25 and 15,187.50

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Solution

The fourth proportional to 48,019.50, 72,029.25 and 15,187.50 is: 22,781.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.50 : 72,029.25 = 15,187.50 : x
  2. Step 2: Convert to fraction form
    48,019.50/72,029.25 = 15,187.50/x
  3. Step 3: Cross multiply
    48,019.50x = 72,029.25 × 15,187.50
  4. Step 4: Simplify right side
    48,019.50x = 1,093,944,234.38
  5. Step 5: Solve for x
    x = 1,093,944,234.38/48,019.50
  6. Step 6: Final answer
    x = 22,781.25

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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.