Home / 40,133.34-55,384.48-22,228.66

Finding the Fourth Proportional to 40,133.34, 55,384.48 and 22,228.66

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Solution

The fourth proportional to 40,133.34, 55,384.48 and 22,228.66 is: 30,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.34 : 55,384.48 = 22,228.66 : x
  2. Step 2: Convert to fraction form
    40,133.34/55,384.48 = 22,228.66/x
  3. Step 3: Cross multiply
    40,133.34x = 55,384.48 × 22,228.66
  4. Step 4: Simplify right side
    40,133.34x = 1,231,122,775.20
  5. Step 5: Solve for x
    x = 1,231,122,775.20/40,133.34
  6. Step 6: Final answer
    x = 30,675.81

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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.