Home / 51,251.82-70,727.63-28,590.26

Finding the Fourth Proportional to 51,251.82, 70,727.63 and 28,590.26

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Solution

The fourth proportional to 51,251.82, 70,727.63 and 28,590.26 is: 39,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.82 : 70,727.63 = 28,590.26 : x
  2. Step 2: Convert to fraction form
    51,251.82/70,727.63 = 28,590.26/x
  3. Step 3: Cross multiply
    51,251.82x = 70,727.63 × 28,590.26
  4. Step 4: Simplify right side
    51,251.82x = 2,022,120,834.29
  5. Step 5: Solve for x
    x = 2,022,120,834.29/51,251.82
  6. Step 6: Final answer
    x = 39,454.62

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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.