Home / 57,341.31-85,977.90-21,805.23

Finding the Fourth Proportional to 57,341.31, 85,977.90 and 21,805.23

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Solution

The fourth proportional to 57,341.31, 85,977.90 and 21,805.23 is: 32,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,341.31 : 85,977.90 = 21,805.23 : x
  2. Step 2: Convert to fraction form
    57,341.31/85,977.90 = 21,805.23/x
  3. Step 3: Cross multiply
    57,341.31x = 85,977.90 × 21,805.23
  4. Step 4: Simplify right side
    57,341.31x = 1,874,767,884.42
  5. Step 5: Solve for x
    x = 1,874,767,884.42/57,341.31
  6. Step 6: Final answer
    x = 32,694.89

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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.