Home / 56,723.20-78,279.84-31,232.26

Finding the Fourth Proportional to 56,723.20, 78,279.84 and 31,232.26

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Solution

The fourth proportional to 56,723.20, 78,279.84 and 31,232.26 is: 43,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.20 : 78,279.84 = 31,232.26 : x
  2. Step 2: Convert to fraction form
    56,723.20/78,279.84 = 31,232.26/x
  3. Step 3: Cross multiply
    56,723.20x = 78,279.84 × 31,232.26
  4. Step 4: Simplify right side
    56,723.20x = 2,444,856,315.64
  5. Step 5: Solve for x
    x = 2,444,856,315.64/56,723.20
  6. Step 6: Final answer
    x = 43,101.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.