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Finding the Fourth Proportional to 60,015.83, 90,080.22 and 30,454.88

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Solution

The fourth proportional to 60,015.83, 90,080.22 and 30,454.88 is: 45,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,015.83 : 90,080.22 = 30,454.88 : x
  2. Step 2: Convert to fraction form
    60,015.83/90,080.22 = 30,454.88/x
  3. Step 3: Cross multiply
    60,015.83x = 90,080.22 × 30,454.88
  4. Step 4: Simplify right side
    60,015.83x = 2,743,381,840.07
  5. Step 5: Solve for x
    x = 2,743,381,840.07/60,015.83
  6. Step 6: Final answer
    x = 45,710.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.