Home / 51,348.53-70,860.17-28,687.84

Finding the Fourth Proportional to 51,348.53, 70,860.17 and 28,687.84

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Solution

The fourth proportional to 51,348.53, 70,860.17 and 28,687.84 is: 39,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.53 : 70,860.17 = 28,687.84 : x
  2. Step 2: Convert to fraction form
    51,348.53/70,860.17 = 28,687.84/x
  3. Step 3: Cross multiply
    51,348.53x = 70,860.17 × 28,687.84
  4. Step 4: Simplify right side
    51,348.53x = 2,032,825,113.90
  5. Step 5: Solve for x
    x = 2,032,825,113.90/51,348.53
  6. Step 6: Final answer
    x = 39,588.77

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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.