Home / 47,590.38-71,389.20-12,529.50

Finding the Fourth Proportional to 47,590.38, 71,389.20 and 12,529.50

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Solution

The fourth proportional to 47,590.38, 71,389.20 and 12,529.50 is: 18,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.38 : 71,389.20 = 12,529.50 : x
  2. Step 2: Convert to fraction form
    47,590.38/71,389.20 = 12,529.50/x
  3. Step 3: Cross multiply
    47,590.38x = 71,389.20 × 12,529.50
  4. Step 4: Simplify right side
    47,590.38x = 894,470,981.40
  5. Step 5: Solve for x
    x = 894,470,981.40/47,590.38
  6. Step 6: Final answer
    x = 18,795.21

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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.