Home / 56,721.40-85,111.38-27,133.24

Finding the Fourth Proportional to 56,721.40, 85,111.38 and 27,133.24

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Solution

The fourth proportional to 56,721.40, 85,111.38 and 27,133.24 is: 40,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.40 : 85,111.38 = 27,133.24 : x
  2. Step 2: Convert to fraction form
    56,721.40/85,111.38 = 27,133.24/x
  3. Step 3: Cross multiply
    56,721.40x = 85,111.38 × 27,133.24
  4. Step 4: Simplify right side
    56,721.40x = 2,309,347,500.27
  5. Step 5: Solve for x
    x = 2,309,347,500.27/56,721.40
  6. Step 6: Final answer
    x = 40,713.87

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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.