Home / 50,862.88-70,191.61-28,202.82

Finding the Fourth Proportional to 50,862.88, 70,191.61 and 28,202.82

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Solution

The fourth proportional to 50,862.88, 70,191.61 and 28,202.82 is: 38,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862.88 : 70,191.61 = 28,202.82 : x
  2. Step 2: Convert to fraction form
    50,862.88/70,191.61 = 28,202.82/x
  3. Step 3: Cross multiply
    50,862.88x = 70,191.61 × 28,202.82
  4. Step 4: Simplify right side
    50,862.88x = 1,979,601,342.34
  5. Step 5: Solve for x
    x = 1,979,601,342.34/50,862.88
  6. Step 6: Final answer
    x = 38,920.36

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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.