Home / 53,422.11-80,103.57-21,854.32

Finding the Fourth Proportional to 53,422.11, 80,103.57 and 21,854.32

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Solution

The fourth proportional to 53,422.11, 80,103.57 and 21,854.32 is: 32,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,422.11 : 80,103.57 = 21,854.32 : x
  2. Step 2: Convert to fraction form
    53,422.11/80,103.57 = 21,854.32/x
  3. Step 3: Cross multiply
    53,422.11x = 80,103.57 × 21,854.32
  4. Step 4: Simplify right side
    53,422.11x = 1,750,609,051.92
  5. Step 5: Solve for x
    x = 1,750,609,051.92/53,422.11
  6. Step 6: Final answer
    x = 32,769.37

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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.