Home / 29,887.81-41,256.36-19,819.62

Finding the Fourth Proportional to 29,887.81, 41,256.36 and 19,819.62

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Solution

The fourth proportional to 29,887.81, 41,256.36 and 19,819.62 is: 27,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.81 : 41,256.36 = 19,819.62 : x
  2. Step 2: Convert to fraction form
    29,887.81/41,256.36 = 19,819.62/x
  3. Step 3: Cross multiply
    29,887.81x = 41,256.36 × 19,819.62
  4. Step 4: Simplify right side
    29,887.81x = 817,685,377.78
  5. Step 5: Solve for x
    x = 817,685,377.78/29,887.81
  6. Step 6: Final answer
    x = 27,358.49

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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.