Home / 34,869.28-48,126.60-20,719.39

Finding the Fourth Proportional to 34,869.28, 48,126.60 and 20,719.39

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Solution

The fourth proportional to 34,869.28, 48,126.60 and 20,719.39 is: 28,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.28 : 48,126.60 = 20,719.39 : x
  2. Step 2: Convert to fraction form
    34,869.28/48,126.60 = 20,719.39/x
  3. Step 3: Cross multiply
    34,869.28x = 48,126.60 × 20,719.39
  4. Step 4: Simplify right side
    34,869.28x = 997,153,794.77
  5. Step 5: Solve for x
    x = 997,153,794.77/34,869.28
  6. Step 6: Final answer
    x = 28,596.91

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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.