Home / 50,032.32-68,965.20-39,405.12

Finding the Fourth Proportional to 50,032.32, 68,965.20 and 39,405.12

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Solution

The fourth proportional to 50,032.32, 68,965.20 and 39,405.12 is: 54,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,032.32 : 68,965.20 = 39,405.12 : x
  2. Step 2: Convert to fraction form
    50,032.32/68,965.20 = 39,405.12/x
  3. Step 3: Cross multiply
    50,032.32x = 68,965.20 × 39,405.12
  4. Step 4: Simplify right side
    50,032.32x = 2,717,581,981.82
  5. Step 5: Solve for x
    x = 2,717,581,981.82/50,032.32
  6. Step 6: Final answer
    x = 54,316.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.