Home / 31,480.34-43,442.60-17,332.88

Finding the Fourth Proportional to 31,480.34, 43,442.60 and 17,332.88

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Solution

The fourth proportional to 31,480.34, 43,442.60 and 17,332.88 is: 23,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.34 : 43,442.60 = 17,332.88 : x
  2. Step 2: Convert to fraction form
    31,480.34/43,442.60 = 17,332.88/x
  3. Step 3: Cross multiply
    31,480.34x = 43,442.60 × 17,332.88
  4. Step 4: Simplify right side
    31,480.34x = 752,985,068.81
  5. Step 5: Solve for x
    x = 752,985,068.81/31,480.34
  6. Step 6: Final answer
    x = 23,919.22

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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.