Home / 52,976.68-79,837.16-47,718.30

Finding the Fourth Proportional to 52,976.68, 79,837.16 and 47,718.30

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Solution

The fourth proportional to 52,976.68, 79,837.16 and 47,718.30 is: 71,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,976.68 : 79,837.16 = 47,718.30 : x
  2. Step 2: Convert to fraction form
    52,976.68/79,837.16 = 47,718.30/x
  3. Step 3: Cross multiply
    52,976.68x = 79,837.16 × 47,718.30
  4. Step 4: Simplify right side
    52,976.68x = 3,809,693,552.03
  5. Step 5: Solve for x
    x = 3,809,693,552.03/52,976.68
  6. Step 6: Final answer
    x = 71,912.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.