Home / 31,599.42-43,597.36-18,165.84

Finding the Fourth Proportional to 31,599.42, 43,597.36 and 18,165.84

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Solution

The fourth proportional to 31,599.42, 43,597.36 and 18,165.84 is: 25,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.42 : 43,597.36 = 18,165.84 : x
  2. Step 2: Convert to fraction form
    31,599.42/43,597.36 = 18,165.84/x
  3. Step 3: Cross multiply
    31,599.42x = 43,597.36 × 18,165.84
  4. Step 4: Simplify right side
    31,599.42x = 791,982,666.18
  5. Step 5: Solve for x
    x = 791,982,666.18/31,599.42
  6. Step 6: Final answer
    x = 25,063.20

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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.