Home / 51,455.88-71,010.40-28,794.70

Finding the Fourth Proportional to 51,455.88, 71,010.40 and 28,794.70

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Solution

The fourth proportional to 51,455.88, 71,010.40 and 28,794.70 is: 39,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455.88 : 71,010.40 = 28,794.70 : x
  2. Step 2: Convert to fraction form
    51,455.88/71,010.40 = 28,794.70/x
  3. Step 3: Cross multiply
    51,455.88x = 71,010.40 × 28,794.70
  4. Step 4: Simplify right side
    51,455.88x = 2,044,723,164.88
  5. Step 5: Solve for x
    x = 2,044,723,164.88/51,455.88
  6. Step 6: Final answer
    x = 39,737.41

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1.5x scale

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.