Home / 50,734.10-70,012.40-28,071.38

Finding the Fourth Proportional to 50,734.10, 70,012.40 and 28,071.38

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Solution

The fourth proportional to 50,734.10, 70,012.40 and 28,071.38 is: 38,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,734.10 : 70,012.40 = 28,071.38 : x
  2. Step 2: Convert to fraction form
    50,734.10/70,012.40 = 28,071.38/x
  3. Step 3: Cross multiply
    50,734.10x = 70,012.40 × 28,071.38
  4. Step 4: Simplify right side
    50,734.10x = 1,965,344,194.69
  5. Step 5: Solve for x
    x = 1,965,344,194.69/50,734.10
  6. Step 6: Final answer
    x = 38,738.13

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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.