Home / 35,290.47-52,940.31-18,651.15

Finding the Fourth Proportional to 35,290.47, 52,940.31 and 18,651.15

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Solution

The fourth proportional to 35,290.47, 52,940.31 and 18,651.15 is: 27,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.47 : 52,940.31 = 18,651.15 : x
  2. Step 2: Convert to fraction form
    35,290.47/52,940.31 = 18,651.15/x
  3. Step 3: Cross multiply
    35,290.47x = 52,940.31 × 18,651.15
  4. Step 4: Simplify right side
    35,290.47x = 987,397,662.86
  5. Step 5: Solve for x
    x = 987,397,662.86/35,290.47
  6. Step 6: Final answer
    x = 27,979.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.