Home / 60,304.11-90,464.40-20,850.63

Finding the Fourth Proportional to 60,304.11, 90,464.40 and 20,850.63

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Solution

The fourth proportional to 60,304.11, 90,464.40 and 20,850.63 is: 31,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,304.11 : 90,464.40 = 20,850.63 : x
  2. Step 2: Convert to fraction form
    60,304.11/90,464.40 = 20,850.63/x
  3. Step 3: Cross multiply
    60,304.11x = 90,464.40 × 20,850.63
  4. Step 4: Simplify right side
    60,304.11x = 1,886,239,732.57
  5. Step 5: Solve for x
    x = 1,886,239,732.57/60,304.11
  6. Step 6: Final answer
    x = 31,278.79

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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.