Home / 40,052.90-55,272.42-22,147.51

Finding the Fourth Proportional to 40,052.90, 55,272.42 and 22,147.51

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Solution

The fourth proportional to 40,052.90, 55,272.42 and 22,147.51 is: 30,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,052.90 : 55,272.42 = 22,147.51 : x
  2. Step 2: Convert to fraction form
    40,052.90/55,272.42 = 22,147.51/x
  3. Step 3: Cross multiply
    40,052.90x = 55,272.42 × 22,147.51
  4. Step 4: Simplify right side
    40,052.90x = 1,224,146,474.67
  5. Step 5: Solve for x
    x = 1,224,146,474.67/40,052.90
  6. Step 6: Final answer
    x = 30,563.24

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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.