Home / 56,082.80-77,395.20-30,589.32

Finding the Fourth Proportional to 56,082.80, 77,395.20 and 30,589.32

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Solution

The fourth proportional to 56,082.80, 77,395.20 and 30,589.32 is: 42,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,082.80 : 77,395.20 = 30,589.32 : x
  2. Step 2: Convert to fraction form
    56,082.80/77,395.20 = 30,589.32/x
  3. Step 3: Cross multiply
    56,082.80x = 77,395.20 × 30,589.32
  4. Step 4: Simplify right side
    56,082.80x = 2,367,466,539.26
  5. Step 5: Solve for x
    x = 2,367,466,539.26/56,082.80
  6. Step 6: Final answer
    x = 42,213.77

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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.