Home / 53,472.42-80,216.82-18,403.92

Finding the Fourth Proportional to 53,472.42, 80,216.82 and 18,403.92

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Solution

The fourth proportional to 53,472.42, 80,216.82 and 18,403.92 is: 27,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.42 : 80,216.82 = 18,403.92 : x
  2. Step 2: Convert to fraction form
    53,472.42/80,216.82 = 18,403.92/x
  3. Step 3: Cross multiply
    53,472.42x = 80,216.82 × 18,403.92
  4. Step 4: Simplify right side
    53,472.42x = 1,476,303,937.93
  5. Step 5: Solve for x
    x = 1,476,303,937.93/53,472.42
  6. Step 6: Final answer
    x = 27,608.70

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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.