Home / 40,131.14-55,381.56-23,135.08

Finding the Fourth Proportional to 40,131.14, 55,381.56 and 23,135.08

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Solution

The fourth proportional to 40,131.14, 55,381.56 and 23,135.08 is: 31,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.14 : 55,381.56 = 23,135.08 : x
  2. Step 2: Convert to fraction form
    40,131.14/55,381.56 = 23,135.08/x
  3. Step 3: Cross multiply
    40,131.14x = 55,381.56 × 23,135.08
  4. Step 4: Simplify right side
    40,131.14x = 1,281,256,821.12
  5. Step 5: Solve for x
    x = 1,281,256,821.12/40,131.14
  6. Step 6: Final answer
    x = 31,926.75

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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.