Home / 42,632.11-63,893.44-20,412.19

Finding the Fourth Proportional to 42,632.11, 63,893.44 and 20,412.19

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Solution

The fourth proportional to 42,632.11, 63,893.44 and 20,412.19 is: 30,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632.11 : 63,893.44 = 20,412.19 : x
  2. Step 2: Convert to fraction form
    42,632.11/63,893.44 = 20,412.19/x
  3. Step 3: Cross multiply
    42,632.11x = 63,893.44 × 20,412.19
  4. Step 4: Simplify right side
    42,632.11x = 1,304,204,986.00
  5. Step 5: Solve for x
    x = 1,304,204,986.00/42,632.11
  6. Step 6: Final answer
    x = 30,592.08

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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.