Home / 40,129.14-55,377.36-23,133.18

Finding the Fourth Proportional to 40,129.14, 55,377.36 and 23,133.18

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Solution

The fourth proportional to 40,129.14, 55,377.36 and 23,133.18 is: 31,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.14 : 55,377.36 = 23,133.18 : x
  2. Step 2: Convert to fraction form
    40,129.14/55,377.36 = 23,133.18/x
  3. Step 3: Cross multiply
    40,129.14x = 55,377.36 × 23,133.18
  4. Step 4: Simplify right side
    40,129.14x = 1,281,054,436.80
  5. Step 5: Solve for x
    x = 1,281,054,436.80/40,129.14
  6. Step 6: Final answer
    x = 31,923.30

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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.