Home / 56,179.20-77,525.76-31,027.20

Finding the Fourth Proportional to 56,179.20, 77,525.76 and 31,027.20

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Solution

The fourth proportional to 56,179.20, 77,525.76 and 31,027.20 is: 42,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.20 : 77,525.76 = 31,027.20 : x
  2. Step 2: Convert to fraction form
    56,179.20/77,525.76 = 31,027.20/x
  3. Step 3: Cross multiply
    56,179.20x = 77,525.76 × 31,027.20
  4. Step 4: Simplify right side
    56,179.20x = 2,405,407,260.67
  5. Step 5: Solve for x
    x = 2,405,407,260.67/56,179.20
  6. Step 6: Final answer
    x = 42,816.69

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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.