Home / 51,350.46-70,856.64-28,686.66

Finding the Fourth Proportional to 51,350.46, 70,856.64 and 28,686.66

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Solution

The fourth proportional to 51,350.46, 70,856.64 and 28,686.66 is: 39,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.46 : 70,856.64 = 28,686.66 : x
  2. Step 2: Convert to fraction form
    51,350.46/70,856.64 = 28,686.66/x
  3. Step 3: Cross multiply
    51,350.46x = 70,856.64 × 28,686.66
  4. Step 4: Simplify right side
    51,350.46x = 2,032,640,340.42
  5. Step 5: Solve for x
    x = 2,032,640,340.42/51,350.46
  6. Step 6: Final answer
    x = 39,583.68

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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.