Home / 40,049.79-55,266.48-22,143.72

Finding the Fourth Proportional to 40,049.79, 55,266.48 and 22,143.72

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Solution

The fourth proportional to 40,049.79, 55,266.48 and 22,143.72 is: 30,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.79 : 55,266.48 = 22,143.72 : x
  2. Step 2: Convert to fraction form
    40,049.79/55,266.48 = 22,143.72/x
  3. Step 3: Cross multiply
    40,049.79x = 55,266.48 × 22,143.72
  4. Step 4: Simplify right side
    40,049.79x = 1,223,805,458.51
  5. Step 5: Solve for x
    x = 1,223,805,458.51/40,049.79
  6. Step 6: Final answer
    x = 30,557.10

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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.