Home / 53,357.20-80,047.24-15,920.21

Finding the Fourth Proportional to 53,357.20, 80,047.24 and 15,920.21

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Solution

The fourth proportional to 53,357.20, 80,047.24 and 15,920.21 is: 23,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,357.20 : 80,047.24 = 15,920.21 : x
  2. Step 2: Convert to fraction form
    53,357.20/80,047.24 = 15,920.21/x
  3. Step 3: Cross multiply
    53,357.20x = 80,047.24 × 15,920.21
  4. Step 4: Simplify right side
    53,357.20x = 1,274,369,031.04
  5. Step 5: Solve for x
    x = 1,274,369,031.04/53,357.20
  6. Step 6: Final answer
    x = 23,883.73

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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.