Home / 40,199.60-60,283.94-19,123.40

Finding the Fourth Proportional to 40,199.60, 60,283.94 and 19,123.40

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Solution

The fourth proportional to 40,199.60, 60,283.94 and 19,123.40 is: 28,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.60 : 60,283.94 = 19,123.40 : x
  2. Step 2: Convert to fraction form
    40,199.60/60,283.94 = 19,123.40/x
  3. Step 3: Cross multiply
    40,199.60x = 60,283.94 × 19,123.40
  4. Step 4: Simplify right side
    40,199.60x = 1,152,833,898.20
  5. Step 5: Solve for x
    x = 1,152,833,898.20/40,199.60
  6. Step 6: Final answer
    x = 28,677.75

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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.