Home / 54,686.92-81,971.88-39,057.16

Finding the Fourth Proportional to 54,686.92, 81,971.88 and 39,057.16

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Solution

The fourth proportional to 54,686.92, 81,971.88 and 39,057.16 is: 58,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.92 : 81,971.88 = 39,057.16 : x
  2. Step 2: Convert to fraction form
    54,686.92/81,971.88 = 39,057.16/x
  3. Step 3: Cross multiply
    54,686.92x = 81,971.88 × 39,057.16
  4. Step 4: Simplify right side
    54,686.92x = 3,201,588,832.66
  5. Step 5: Solve for x
    x = 3,201,588,832.66/54,686.92
  6. Step 6: Final answer
    x = 58,543.96

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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.