Home / 29,246.40-43,869.60-18,748.80

Finding the Fourth Proportional to 29,246.40, 43,869.60 and 18,748.80

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Solution

The fourth proportional to 29,246.40, 43,869.60 and 18,748.80 is: 28,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.40 : 43,869.60 = 18,748.80 : x
  2. Step 2: Convert to fraction form
    29,246.40/43,869.60 = 18,748.80/x
  3. Step 3: Cross multiply
    29,246.40x = 43,869.60 × 18,748.80
  4. Step 4: Simplify right side
    29,246.40x = 822,502,356.48
  5. Step 5: Solve for x
    x = 822,502,356.48/29,246.40
  6. Step 6: Final answer
    x = 28,123.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.