Home / 52,121.92-71,926.48-30,888.60

Finding the Fourth Proportional to 52,121.92, 71,926.48 and 30,888.60

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Solution

The fourth proportional to 52,121.92, 71,926.48 and 30,888.60 is: 42,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.92 : 71,926.48 = 30,888.60 : x
  2. Step 2: Convert to fraction form
    52,121.92/71,926.48 = 30,888.60/x
  3. Step 3: Cross multiply
    52,121.92x = 71,926.48 × 30,888.60
  4. Step 4: Simplify right side
    52,121.92x = 2,221,708,270.13
  5. Step 5: Solve for x
    x = 2,221,708,270.13/52,121.92
  6. Step 6: Final answer
    x = 42,625.22

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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.