Home / 40,228.02-55,521.27-22,328.78

Finding the Fourth Proportional to 40,228.02, 55,521.27 and 22,328.78

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Solution

The fourth proportional to 40,228.02, 55,521.27 and 22,328.78 is: 30,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.02 : 55,521.27 = 22,328.78 : x
  2. Step 2: Convert to fraction form
    40,228.02/55,521.27 = 22,328.78/x
  3. Step 3: Cross multiply
    40,228.02x = 55,521.27 × 22,328.78
  4. Step 4: Simplify right side
    40,228.02x = 1,239,721,945.54
  5. Step 5: Solve for x
    x = 1,239,721,945.54/40,228.02
  6. Step 6: Final answer
    x = 30,817.37

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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.