Home / 67,051.40-100,577.10-20,304.28

Finding the Fourth Proportional to 67,051.40, 100,577.10 and 20,304.28

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Solution

The fourth proportional to 67,051.40, 100,577.10 and 20,304.28 is: 30,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051.40 : 100,577.10 = 20,304.28 : x
  2. Step 2: Convert to fraction form
    67,051.40/100,577.10 = 20,304.28/x
  3. Step 3: Cross multiply
    67,051.40x = 100,577.10 × 20,304.28
  4. Step 4: Simplify right side
    67,051.40x = 2,042,145,097.10
  5. Step 5: Solve for x
    x = 2,042,145,097.10/67,051.40
  6. Step 6: Final answer
    x = 30,456.41

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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.