Home / 56,372.16-77,713.20-40,451.52

Finding the Fourth Proportional to 56,372.16, 77,713.20 and 40,451.52

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Solution

The fourth proportional to 56,372.16, 77,713.20 and 40,451.52 is: 55,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.16 : 77,713.20 = 40,451.52 : x
  2. Step 2: Convert to fraction form
    56,372.16/77,713.20 = 40,451.52/x
  3. Step 3: Cross multiply
    56,372.16x = 77,713.20 × 40,451.52
  4. Step 4: Simplify right side
    56,372.16x = 3,143,617,064.06
  5. Step 5: Solve for x
    x = 3,143,617,064.06/56,372.16
  6. Step 6: Final answer
    x = 55,765.42

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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.