Home / 60,933.29-91,402.36-18,809.64

Finding the Fourth Proportional to 60,933.29, 91,402.36 and 18,809.64

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Solution

The fourth proportional to 60,933.29, 91,402.36 and 18,809.64 is: 28,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,933.29 : 91,402.36 = 18,809.64 : x
  2. Step 2: Convert to fraction form
    60,933.29/91,402.36 = 18,809.64/x
  3. Step 3: Cross multiply
    60,933.29x = 91,402.36 × 18,809.64
  4. Step 4: Simplify right side
    60,933.29x = 1,719,245,439.73
  5. Step 5: Solve for x
    x = 1,719,245,439.73/60,933.29
  6. Step 6: Final answer
    x = 28,215.21

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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.