Home / 40,639.84-60,967.34-18,454.76

Finding the Fourth Proportional to 40,639.84, 60,967.34 and 18,454.76

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Solution

The fourth proportional to 40,639.84, 60,967.34 and 18,454.76 is: 27,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.84 : 60,967.34 = 18,454.76 : x
  2. Step 2: Convert to fraction form
    40,639.84/60,967.34 = 18,454.76/x
  3. Step 3: Cross multiply
    40,639.84x = 60,967.34 × 18,454.76
  4. Step 4: Simplify right side
    40,639.84x = 1,125,137,627.54
  5. Step 5: Solve for x
    x = 1,125,137,627.54/40,639.84
  6. Step 6: Final answer
    x = 27,685.58

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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.