Home / 39,522.77-59,279.78-9,940.61

Finding the Fourth Proportional to 39,522.77, 59,279.78 and 9,940.61

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Solution

The fourth proportional to 39,522.77, 59,279.78 and 9,940.61 is: 14,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.77 : 59,279.78 = 9,940.61 : x
  2. Step 2: Convert to fraction form
    39,522.77/59,279.78 = 9,940.61/x
  3. Step 3: Cross multiply
    39,522.77x = 59,279.78 × 9,940.61
  4. Step 4: Simplify right side
    39,522.77x = 589,277,346.92
  5. Step 5: Solve for x
    x = 589,277,346.92/39,522.77
  6. Step 6: Final answer
    x = 14,909.82

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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.