Home / 60,639.20-90,956.75-18,517.58

Finding the Fourth Proportional to 60,639.20, 90,956.75 and 18,517.58

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Solution

The fourth proportional to 60,639.20, 90,956.75 and 18,517.58 is: 27,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.20 : 90,956.75 = 18,517.58 : x
  2. Step 2: Convert to fraction form
    60,639.20/90,956.75 = 18,517.58/x
  3. Step 3: Cross multiply
    60,639.20x = 90,956.75 × 18,517.58
  4. Step 4: Simplify right side
    60,639.20x = 1,684,299,075.76
  5. Step 5: Solve for x
    x = 1,684,299,075.76/60,639.20
  6. Step 6: Final answer
    x = 27,775.75

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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.