Home / 29,123.34-40,202.80-18,377.88

Finding the Fourth Proportional to 29,123.34, 40,202.80 and 18,377.88

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Solution

The fourth proportional to 29,123.34, 40,202.80 and 18,377.88 is: 25,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.34 : 40,202.80 = 18,377.88 : x
  2. Step 2: Convert to fraction form
    29,123.34/40,202.80 = 18,377.88/x
  3. Step 3: Cross multiply
    29,123.34x = 40,202.80 × 18,377.88
  4. Step 4: Simplify right side
    29,123.34x = 738,842,234.06
  5. Step 5: Solve for x
    x = 738,842,234.06/29,123.34
  6. Step 6: Final answer
    x = 25,369.42

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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.