Home / 31,682.34-43,732.55-18,258.95

Finding the Fourth Proportional to 31,682.34, 43,732.55 and 18,258.95

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Solution

The fourth proportional to 31,682.34, 43,732.55 and 18,258.95 is: 25,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.34 : 43,732.55 = 18,258.95 : x
  2. Step 2: Convert to fraction form
    31,682.34/43,732.55 = 18,258.95/x
  3. Step 3: Cross multiply
    31,682.34x = 43,732.55 × 18,258.95
  4. Step 4: Simplify right side
    31,682.34x = 798,510,598.80
  5. Step 5: Solve for x
    x = 798,510,598.80/31,682.34
  6. Step 6: Final answer
    x = 25,203.65

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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.