Home / 40,478.94-60,718.41-18,288.18

Finding the Fourth Proportional to 40,478.94, 60,718.41 and 18,288.18

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Solution

The fourth proportional to 40,478.94, 60,718.41 and 18,288.18 is: 27,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.94 : 60,718.41 = 18,288.18 : x
  2. Step 2: Convert to fraction form
    40,478.94/60,718.41 = 18,288.18/x
  3. Step 3: Cross multiply
    40,478.94x = 60,718.41 × 18,288.18
  4. Step 4: Simplify right side
    40,478.94x = 1,110,429,211.39
  5. Step 5: Solve for x
    x = 1,110,429,211.39/40,478.94
  6. Step 6: Final answer
    x = 27,432.27

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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.