Home / 87,246.72-130,868.64-21,582.72

Finding the Fourth Proportional to 87,246.72, 130,868.64 and 21,582.72

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Solution

The fourth proportional to 87,246.72, 130,868.64 and 21,582.72 is: 32,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.72 : 130,868.64 = 21,582.72 : x
  2. Step 2: Convert to fraction form
    87,246.72/130,868.64 = 21,582.72/x
  3. Step 3: Cross multiply
    87,246.72x = 130,868.64 × 21,582.72
  4. Step 4: Simplify right side
    87,246.72x = 2,824,501,213.90
  5. Step 5: Solve for x
    x = 2,824,501,213.90/87,246.72
  6. Step 6: Final answer
    x = 32,373.72

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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.