Home / 40,296.80-55,606.40-22,391.52

Finding the Fourth Proportional to 40,296.80, 55,606.40 and 22,391.52

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Solution

The fourth proportional to 40,296.80, 55,606.40 and 22,391.52 is: 30,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296.80 : 55,606.40 = 22,391.52 : x
  2. Step 2: Convert to fraction form
    40,296.80/55,606.40 = 22,391.52/x
  3. Step 3: Cross multiply
    40,296.80x = 55,606.40 × 22,391.52
  4. Step 4: Simplify right side
    40,296.80x = 1,245,111,817.73
  5. Step 5: Solve for x
    x = 1,245,111,817.73/40,296.80
  6. Step 6: Final answer
    x = 30,898.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.