Home / 50,805.24-70,110.34-28,143.75

Finding the Fourth Proportional to 50,805.24, 70,110.34 and 28,143.75

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Solution

The fourth proportional to 50,805.24, 70,110.34 and 28,143.75 is: 38,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.24 : 70,110.34 = 28,143.75 : x
  2. Step 2: Convert to fraction form
    50,805.24/70,110.34 = 28,143.75/x
  3. Step 3: Cross multiply
    50,805.24x = 70,110.34 × 28,143.75
  4. Step 4: Simplify right side
    50,805.24x = 1,973,167,881.38
  5. Step 5: Solve for x
    x = 1,973,167,881.38/50,805.24
  6. Step 6: Final answer
    x = 38,837.88

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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.