Home / 53,398.16-80,147.44-27,121.76

Finding the Fourth Proportional to 53,398.16, 80,147.44 and 27,121.76

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Solution

The fourth proportional to 53,398.16, 80,147.44 and 27,121.76 is: 40,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,398.16 : 80,147.44 = 27,121.76 : x
  2. Step 2: Convert to fraction form
    53,398.16/80,147.44 = 27,121.76/x
  3. Step 3: Cross multiply
    53,398.16x = 80,147.44 × 27,121.76
  4. Step 4: Simplify right side
    53,398.16x = 2,173,739,632.29
  5. Step 5: Solve for x
    x = 2,173,739,632.29/53,398.16
  6. Step 6: Final answer
    x = 40,708.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.