Home / 31,330.12-43,236.12-17,182.84

Finding the Fourth Proportional to 31,330.12, 43,236.12 and 17,182.84

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Solution

The fourth proportional to 31,330.12, 43,236.12 and 17,182.84 is: 23,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.12 : 43,236.12 = 17,182.84 : x
  2. Step 2: Convert to fraction form
    31,330.12/43,236.12 = 17,182.84/x
  3. Step 3: Cross multiply
    31,330.12x = 43,236.12 × 17,182.84
  4. Step 4: Simplify right side
    31,330.12x = 742,919,332.18
  5. Step 5: Solve for x
    x = 742,919,332.18/31,330.12
  6. Step 6: Final answer
    x = 23,712.62

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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.