Home / 38,727.05-58,098.80-12,450.24

Finding the Fourth Proportional to 38,727.05, 58,098.80 and 12,450.24

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Solution

The fourth proportional to 38,727.05, 58,098.80 and 12,450.24 is: 18,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.05 : 58,098.80 = 12,450.24 : x
  2. Step 2: Convert to fraction form
    38,727.05/58,098.80 = 12,450.24/x
  3. Step 3: Cross multiply
    38,727.05x = 58,098.80 × 12,450.24
  4. Step 4: Simplify right side
    38,727.05x = 723,344,034.84
  5. Step 5: Solve for x
    x = 723,344,034.84/38,727.05
  6. Step 6: Final answer
    x = 18,678.01

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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.