Home / 38,759.79-58,137.75-10,680.08

Finding the Fourth Proportional to 38,759.79, 58,137.75 and 10,680.08

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Solution

The fourth proportional to 38,759.79, 58,137.75 and 10,680.08 is: 16,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.79 : 58,137.75 = 10,680.08 : x
  2. Step 2: Convert to fraction form
    38,759.79/58,137.75 = 10,680.08/x
  3. Step 3: Cross multiply
    38,759.79x = 58,137.75 × 10,680.08
  4. Step 4: Simplify right side
    38,759.79x = 620,915,693.84
  5. Step 5: Solve for x
    x = 620,915,693.84/38,759.79
  6. Step 6: Final answer
    x = 16,019.58

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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.