Home / 31,073.64-42,882.66-18,496.68

Finding the Fourth Proportional to 31,073.64, 42,882.66 and 18,496.68

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Solution

The fourth proportional to 31,073.64, 42,882.66 and 18,496.68 is: 25,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.64 : 42,882.66 = 18,496.68 : x
  2. Step 2: Convert to fraction form
    31,073.64/42,882.66 = 18,496.68/x
  3. Step 3: Cross multiply
    31,073.64x = 42,882.66 × 18,496.68
  4. Step 4: Simplify right side
    31,073.64x = 793,186,839.57
  5. Step 5: Solve for x
    x = 793,186,839.57/31,073.64
  6. Step 6: Final answer
    x = 25,526.04

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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.