Home / 51,515.59-77,273.39-28,129.27

Finding the Fourth Proportional to 51,515.59, 77,273.39 and 28,129.27

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Solution

The fourth proportional to 51,515.59, 77,273.39 and 28,129.27 is: 42,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.59 : 77,273.39 = 28,129.27 : x
  2. Step 2: Convert to fraction form
    51,515.59/77,273.39 = 28,129.27/x
  3. Step 3: Cross multiply
    51,515.59x = 77,273.39 × 28,129.27
  4. Step 4: Simplify right side
    51,515.59x = 2,173,644,051.13
  5. Step 5: Solve for x
    x = 2,173,644,051.13/51,515.59
  6. Step 6: Final answer
    x = 42,193.91

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1.5x scale

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.