Home / 48,049.32-72,035.04-19,990.38

Finding the Fourth Proportional to 48,049.32, 72,035.04 and 19,990.38

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Solution

The fourth proportional to 48,049.32, 72,035.04 and 19,990.38 is: 29,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049.32 : 72,035.04 = 19,990.38 : x
  2. Step 2: Convert to fraction form
    48,049.32/72,035.04 = 19,990.38/x
  3. Step 3: Cross multiply
    48,049.32x = 72,035.04 × 19,990.38
  4. Step 4: Simplify right side
    48,049.32x = 1,440,007,822.92
  5. Step 5: Solve for x
    x = 1,440,007,822.92/48,049.32
  6. Step 6: Final answer
    x = 29,969.37

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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.