Home / 56,120.20-77,444.34-30,967.88

Finding the Fourth Proportional to 56,120.20, 77,444.34 and 30,967.88

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Solution

The fourth proportional to 56,120.20, 77,444.34 and 30,967.88 is: 42,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,120.20 : 77,444.34 = 30,967.88 : x
  2. Step 2: Convert to fraction form
    56,120.20/77,444.34 = 30,967.88/x
  3. Step 3: Cross multiply
    56,120.20x = 77,444.34 × 30,967.88
  4. Step 4: Simplify right side
    56,120.20x = 2,398,287,027.80
  5. Step 5: Solve for x
    x = 2,398,287,027.80/56,120.20
  6. Step 6: Final answer
    x = 42,734.83

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