Home / 51,125.91-76,700.39-15,590.37

Finding the Fourth Proportional to 51,125.91, 76,700.39 and 15,590.37

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Solution

The fourth proportional to 51,125.91, 76,700.39 and 15,590.37 is: 23,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.91 : 76,700.39 = 15,590.37 : x
  2. Step 2: Convert to fraction form
    51,125.91/76,700.39 = 15,590.37/x
  3. Step 3: Cross multiply
    51,125.91x = 76,700.39 × 15,590.37
  4. Step 4: Simplify right side
    51,125.91x = 1,195,787,381.29
  5. Step 5: Solve for x
    x = 1,195,787,381.29/51,125.91
  6. Step 6: Final answer
    x = 23,389.07

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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.