Home / 40,129.34-55,373.06-22,223.89

Finding the Fourth Proportional to 40,129.34, 55,373.06 and 22,223.89

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Solution

The fourth proportional to 40,129.34, 55,373.06 and 22,223.89 is: 30,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.34 : 55,373.06 = 22,223.89 : x
  2. Step 2: Convert to fraction form
    40,129.34/55,373.06 = 22,223.89/x
  3. Step 3: Cross multiply
    40,129.34x = 55,373.06 × 22,223.89
  4. Step 4: Simplify right side
    40,129.34x = 1,230,604,794.40
  5. Step 5: Solve for x
    x = 1,230,604,794.40/40,129.34
  6. Step 6: Final answer
    x = 30,665.96

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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.