Home / 31,719.32-43,769.12-17,568.62

Finding the Fourth Proportional to 31,719.32, 43,769.12 and 17,568.62

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Solution

The fourth proportional to 31,719.32, 43,769.12 and 17,568.62 is: 24,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.32 : 43,769.12 = 17,568.62 : x
  2. Step 2: Convert to fraction form
    31,719.32/43,769.12 = 17,568.62/x
  3. Step 3: Cross multiply
    31,719.32x = 43,769.12 × 17,568.62
  4. Step 4: Simplify right side
    31,719.32x = 768,963,037.01
  5. Step 5: Solve for x
    x = 768,963,037.01/31,719.32
  6. Step 6: Final answer
    x = 24,242.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.