Home / 39,678.97-59,522.50-11,599.55

Finding the Fourth Proportional to 39,678.97, 59,522.50 and 11,599.55

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Solution

The fourth proportional to 39,678.97, 59,522.50 and 11,599.55 is: 17,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.97 : 59,522.50 = 11,599.55 : x
  2. Step 2: Convert to fraction form
    39,678.97/59,522.50 = 11,599.55/x
  3. Step 3: Cross multiply
    39,678.97x = 59,522.50 × 11,599.55
  4. Step 4: Simplify right side
    39,678.97x = 690,433,922.32
  5. Step 5: Solve for x
    x = 690,433,922.32/39,678.97
  6. Step 6: Final answer
    x = 17,400.50

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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.