Home / 31,416.18-43,354.92-17,269.02

Finding the Fourth Proportional to 31,416.18, 43,354.92 and 17,269.02

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Solution

The fourth proportional to 31,416.18, 43,354.92 and 17,269.02 is: 23,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.18 : 43,354.92 = 17,269.02 : x
  2. Step 2: Convert to fraction form
    31,416.18/43,354.92 = 17,269.02/x
  3. Step 3: Cross multiply
    31,416.18x = 43,354.92 × 17,269.02
  4. Step 4: Simplify right side
    31,416.18x = 748,696,980.58
  5. Step 5: Solve for x
    x = 748,696,980.58/31,416.18
  6. Step 6: Final answer
    x = 23,831.57

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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.