Home / 56,710.91-85,062.27-27,120.80

Finding the Fourth Proportional to 56,710.91, 85,062.27 and 27,120.80

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Solution

The fourth proportional to 56,710.91, 85,062.27 and 27,120.80 is: 40,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.91 : 85,062.27 = 27,120.80 : x
  2. Step 2: Convert to fraction form
    56,710.91/85,062.27 = 27,120.80/x
  3. Step 3: Cross multiply
    56,710.91x = 85,062.27 × 27,120.80
  4. Step 4: Simplify right side
    56,710.91x = 2,306,956,812.22
  5. Step 5: Solve for x
    x = 2,306,956,812.22/56,710.91
  6. Step 6: Final answer
    x = 40,679.24

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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.