Home / 56,073.20-77,380.73-30,922.70

Finding the Fourth Proportional to 56,073.20, 77,380.73 and 30,922.70

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Solution

The fourth proportional to 56,073.20, 77,380.73 and 30,922.70 is: 42,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073.20 : 77,380.73 = 30,922.70 : x
  2. Step 2: Convert to fraction form
    56,073.20/77,380.73 = 30,922.70/x
  3. Step 3: Cross multiply
    56,073.20x = 77,380.73 × 30,922.70
  4. Step 4: Simplify right side
    56,073.20x = 2,392,820,558.05
  5. Step 5: Solve for x
    x = 2,392,820,558.05/56,073.20
  6. Step 6: Final answer
    x = 42,673.16

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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.