Home / 31,867.16-43,976.08-17,719.68

Finding the Fourth Proportional to 31,867.16, 43,976.08 and 17,719.68

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Solution

The fourth proportional to 31,867.16, 43,976.08 and 17,719.68 is: 24,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.16 : 43,976.08 = 17,719.68 : x
  2. Step 2: Convert to fraction form
    31,867.16/43,976.08 = 17,719.68/x
  3. Step 3: Cross multiply
    31,867.16x = 43,976.08 × 17,719.68
  4. Step 4: Simplify right side
    31,867.16x = 779,242,065.25
  5. Step 5: Solve for x
    x = 779,242,065.25/31,867.16
  6. Step 6: Final answer
    x = 24,452.82

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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.