Home / 47,905.60-66,109.69-27,774.17

Finding the Fourth Proportional to 47,905.60, 66,109.69 and 27,774.17

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Solution

The fourth proportional to 47,905.60, 66,109.69 and 27,774.17 is: 38,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.60 : 66,109.69 = 27,774.17 : x
  2. Step 2: Convert to fraction form
    47,905.60/66,109.69 = 27,774.17/x
  3. Step 3: Cross multiply
    47,905.60x = 66,109.69 × 27,774.17
  4. Step 4: Simplify right side
    47,905.60x = 1,836,141,768.71
  5. Step 5: Solve for x
    x = 1,836,141,768.71/47,905.60
  6. Step 6: Final answer
    x = 38,328.33

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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.