Home / 57,331.43-86,030.97-21,822.65

Finding the Fourth Proportional to 57,331.43, 86,030.97 and 21,822.65

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Solution

The fourth proportional to 57,331.43, 86,030.97 and 21,822.65 is: 32,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,331.43 : 86,030.97 = 21,822.65 : x
  2. Step 2: Convert to fraction form
    57,331.43/86,030.97 = 21,822.65/x
  3. Step 3: Cross multiply
    57,331.43x = 86,030.97 × 21,822.65
  4. Step 4: Simplify right side
    57,331.43x = 1,877,423,317.32
  5. Step 5: Solve for x
    x = 1,877,423,317.32/57,331.43
  6. Step 6: Final answer
    x = 32,746.85

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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.