Home / 31,466.64-43,425.12-17,320.08

Finding the Fourth Proportional to 31,466.64, 43,425.12 and 17,320.08

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Solution

The fourth proportional to 31,466.64, 43,425.12 and 17,320.08 is: 23,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.64 : 43,425.12 = 17,320.08 : x
  2. Step 2: Convert to fraction form
    31,466.64/43,425.12 = 17,320.08/x
  3. Step 3: Cross multiply
    31,466.64x = 43,425.12 × 17,320.08
  4. Step 4: Simplify right side
    31,466.64x = 752,126,552.41
  5. Step 5: Solve for x
    x = 752,126,552.41/31,466.64
  6. Step 6: Final answer
    x = 23,902.35

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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.