Home / 51,098.66-70,516.14-28,742.66

Finding the Fourth Proportional to 51,098.66, 70,516.14 and 28,742.66

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Solution

The fourth proportional to 51,098.66, 70,516.14 and 28,742.66 is: 39,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.66 : 70,516.14 = 28,742.66 : x
  2. Step 2: Convert to fraction form
    51,098.66/70,516.14 = 28,742.66/x
  3. Step 3: Cross multiply
    51,098.66x = 70,516.14 × 28,742.66
  4. Step 4: Simplify right side
    51,098.66x = 2,026,821,436.53
  5. Step 5: Solve for x
    x = 2,026,821,436.53/51,098.66
  6. Step 6: Final answer
    x = 39,664.86

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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.