Home / 34,082.50-47,030.06-18,971.68

Finding the Fourth Proportional to 34,082.50, 47,030.06 and 18,971.68

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Solution

The fourth proportional to 34,082.50, 47,030.06 and 18,971.68 is: 26,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,082.50 : 47,030.06 = 18,971.68 : x
  2. Step 2: Convert to fraction form
    34,082.50/47,030.06 = 18,971.68/x
  3. Step 3: Cross multiply
    34,082.50x = 47,030.06 × 18,971.68
  4. Step 4: Simplify right side
    34,082.50x = 892,239,248.70
  5. Step 5: Solve for x
    x = 892,239,248.70/34,082.50
  6. Step 6: Final answer
    x = 26,178.81

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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.