Home / 40,392.09-60,578.72-15,422.97

Finding the Fourth Proportional to 40,392.09, 60,578.72 and 15,422.97

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Solution

The fourth proportional to 40,392.09, 60,578.72 and 15,422.97 is: 23,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.09 : 60,578.72 = 15,422.97 : x
  2. Step 2: Convert to fraction form
    40,392.09/60,578.72 = 15,422.97/x
  3. Step 3: Cross multiply
    40,392.09x = 60,578.72 × 15,422.97
  4. Step 4: Simplify right side
    40,392.09x = 934,303,704.08
  5. Step 5: Solve for x
    x = 934,303,704.08/40,392.09
  6. Step 6: Final answer
    x = 23,130.86

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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.