Home / 40,167.85-55,430.78-22,262.70

Finding the Fourth Proportional to 40,167.85, 55,430.78 and 22,262.70

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Solution

The fourth proportional to 40,167.85, 55,430.78 and 22,262.70 is: 30,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.85 : 55,430.78 = 22,262.70 : x
  2. Step 2: Convert to fraction form
    40,167.85/55,430.78 = 22,262.70/x
  3. Step 3: Cross multiply
    40,167.85x = 55,430.78 × 22,262.70
  4. Step 4: Simplify right side
    40,167.85x = 1,234,038,735.89
  5. Step 5: Solve for x
    x = 1,234,038,735.89/40,167.85
  6. Step 6: Final answer
    x = 30,722.05

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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.