Home / 40,325.25-55,648.85-22,661.25

Finding the Fourth Proportional to 40,325.25, 55,648.85 and 22,661.25

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Solution

The fourth proportional to 40,325.25, 55,648.85 and 22,661.25 is: 31,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.25 : 55,648.85 = 22,661.25 : x
  2. Step 2: Convert to fraction form
    40,325.25/55,648.85 = 22,661.25/x
  3. Step 3: Cross multiply
    40,325.25x = 55,648.85 × 22,661.25
  4. Step 4: Simplify right side
    40,325.25x = 1,261,072,388.76
  5. Step 5: Solve for x
    x = 1,261,072,388.76/40,325.25
  6. Step 6: Final answer
    x = 31,272.53

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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.