Home / 40,290.36-55,601.68-22,386.12

Finding the Fourth Proportional to 40,290.36, 55,601.68 and 22,386.12

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Solution

The fourth proportional to 40,290.36, 55,601.68 and 22,386.12 is: 30,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.36 : 55,601.68 = 22,386.12 : x
  2. Step 2: Convert to fraction form
    40,290.36/55,601.68 = 22,386.12/x
  3. Step 3: Cross multiply
    40,290.36x = 55,601.68 × 22,386.12
  4. Step 4: Simplify right side
    40,290.36x = 1,244,705,880.68
  5. Step 5: Solve for x
    x = 1,244,705,880.68/40,290.36
  6. Step 6: Final answer
    x = 30,893.39

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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.