Home / 54,001.28-81,026.88-20,710.24

Finding the Fourth Proportional to 54,001.28, 81,026.88 and 20,710.24

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Solution

The fourth proportional to 54,001.28, 81,026.88 and 20,710.24 is: 31,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.28 : 81,026.88 = 20,710.24 : x
  2. Step 2: Convert to fraction form
    54,001.28/81,026.88 = 20,710.24/x
  3. Step 3: Cross multiply
    54,001.28x = 81,026.88 × 20,710.24
  4. Step 4: Simplify right side
    54,001.28x = 1,678,086,131.25
  5. Step 5: Solve for x
    x = 1,678,086,131.25/54,001.28
  6. Step 6: Final answer
    x = 31,074.93

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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.