Home / 45,304.20-67,967.28-18,994.32

Finding the Fourth Proportional to 45,304.20, 67,967.28 and 18,994.32

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Solution

The fourth proportional to 45,304.20, 67,967.28 and 18,994.32 is: 28,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,304.20 : 67,967.28 = 18,994.32 : x
  2. Step 2: Convert to fraction form
    45,304.20/67,967.28 = 18,994.32/x
  3. Step 3: Cross multiply
    45,304.20x = 67,967.28 × 18,994.32
  4. Step 4: Simplify right side
    45,304.20x = 1,290,992,265.85
  5. Step 5: Solve for x
    x = 1,290,992,265.85/45,304.20
  6. Step 6: Final answer
    x = 28,496.08

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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.