Home / 40,334.33-55,661.91-22,430.90

Finding the Fourth Proportional to 40,334.33, 55,661.91 and 22,430.90

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Solution

The fourth proportional to 40,334.33, 55,661.91 and 22,430.90 is: 30,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.33 : 55,661.91 = 22,430.90 : x
  2. Step 2: Convert to fraction form
    40,334.33/55,661.91 = 22,430.90/x
  3. Step 3: Cross multiply
    40,334.33x = 55,661.91 × 22,430.90
  4. Step 4: Simplify right side
    40,334.33x = 1,248,546,737.02
  5. Step 5: Solve for x
    x = 1,248,546,737.02/40,334.33
  6. Step 6: Final answer
    x = 30,954.94

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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.