Home / 54,681.46-82,019.45-21,407.62

Finding the Fourth Proportional to 54,681.46, 82,019.45 and 21,407.62

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Solution

The fourth proportional to 54,681.46, 82,019.45 and 21,407.62 is: 32,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.46 : 82,019.45 = 21,407.62 : x
  2. Step 2: Convert to fraction form
    54,681.46/82,019.45 = 21,407.62/x
  3. Step 3: Cross multiply
    54,681.46x = 82,019.45 × 21,407.62
  4. Step 4: Simplify right side
    54,681.46x = 1,755,841,218.21
  5. Step 5: Solve for x
    x = 1,755,841,218.21/54,681.46
  6. Step 6: Final answer
    x = 32,110.36

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1.5x scale

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.