Home / 40,176.51-55,443.15-23,180.55

Finding the Fourth Proportional to 40,176.51, 55,443.15 and 23,180.55

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Solution

The fourth proportional to 40,176.51, 55,443.15 and 23,180.55 is: 31,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.51 : 55,443.15 = 23,180.55 : x
  2. Step 2: Convert to fraction form
    40,176.51/55,443.15 = 23,180.55/x
  3. Step 3: Cross multiply
    40,176.51x = 55,443.15 × 23,180.55
  4. Step 4: Simplify right side
    40,176.51x = 1,285,202,502.82
  5. Step 5: Solve for x
    x = 1,285,202,502.82/40,176.51
  6. Step 6: Final answer
    x = 31,988.91

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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.