Home / 42,422.73-63,647.93-20,233.22

Finding the Fourth Proportional to 42,422.73, 63,647.93 and 20,233.22

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Solution

The fourth proportional to 42,422.73, 63,647.93 and 20,233.22 is: 30,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.73 : 63,647.93 = 20,233.22 : x
  2. Step 2: Convert to fraction form
    42,422.73/63,647.93 = 20,233.22/x
  3. Step 3: Cross multiply
    42,422.73x = 63,647.93 × 20,233.22
  4. Step 4: Simplify right side
    42,422.73x = 1,287,802,570.23
  5. Step 5: Solve for x
    x = 1,287,802,570.23/42,422.73
  6. Step 6: Final answer
    x = 30,356.43

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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.