Home / 52,580.72-78,887.28-18,389.96

Finding the Fourth Proportional to 52,580.72, 78,887.28 and 18,389.96

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Solution

The fourth proportional to 52,580.72, 78,887.28 and 18,389.96 is: 27,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.72 : 78,887.28 = 18,389.96 : x
  2. Step 2: Convert to fraction form
    52,580.72/78,887.28 = 18,389.96/x
  3. Step 3: Cross multiply
    52,580.72x = 78,887.28 × 18,389.96
  4. Step 4: Simplify right side
    52,580.72x = 1,450,733,923.71
  5. Step 5: Solve for x
    x = 1,450,733,923.71/52,580.72
  6. Step 6: Final answer
    x = 27,590.61

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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.