Home / 41,981.01-62,956.68-12,390.93

Finding the Fourth Proportional to 41,981.01, 62,956.68 and 12,390.93

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Solution

The fourth proportional to 41,981.01, 62,956.68 and 12,390.93 is: 18,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.01 : 62,956.68 = 12,390.93 : x
  2. Step 2: Convert to fraction form
    41,981.01/62,956.68 = 12,390.93/x
  3. Step 3: Cross multiply
    41,981.01x = 62,956.68 × 12,390.93
  4. Step 4: Simplify right side
    41,981.01x = 780,091,814.91
  5. Step 5: Solve for x
    x = 780,091,814.91/41,981.01
  6. Step 6: Final answer
    x = 18,582.02

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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.