Home / 34,689.60-51,982.56-19,085.76

Finding the Fourth Proportional to 34,689.60, 51,982.56 and 19,085.76

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Solution

The fourth proportional to 34,689.60, 51,982.56 and 19,085.76 is: 28,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.60 : 51,982.56 = 19,085.76 : x
  2. Step 2: Convert to fraction form
    34,689.60/51,982.56 = 19,085.76/x
  3. Step 3: Cross multiply
    34,689.60x = 51,982.56 × 19,085.76
  4. Step 4: Simplify right side
    34,689.60x = 992,126,664.35
  5. Step 5: Solve for x
    x = 992,126,664.35/34,689.60
  6. Step 6: Final answer
    x = 28,600.12

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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.