Home / 50,805.29-70,110.38-28,144.21

Finding the Fourth Proportional to 50,805.29, 70,110.38 and 28,144.21

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Solution

The fourth proportional to 50,805.29, 70,110.38 and 28,144.21 is: 38,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.29 : 70,110.38 = 28,144.21 : x
  2. Step 2: Convert to fraction form
    50,805.29/70,110.38 = 28,144.21/x
  3. Step 3: Cross multiply
    50,805.29x = 70,110.38 × 28,144.21
  4. Step 4: Simplify right side
    50,805.29x = 1,973,201,126.13
  5. Step 5: Solve for x
    x = 1,973,201,126.13/50,805.29
  6. Step 6: Final answer
    x = 38,838.50

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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.