Home / 39,819.30-54,946.26-22,828.14

Finding the Fourth Proportional to 39,819.30, 54,946.26 and 22,828.14

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Solution

The fourth proportional to 39,819.30, 54,946.26 and 22,828.14 is: 31,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.30 : 54,946.26 = 22,828.14 : x
  2. Step 2: Convert to fraction form
    39,819.30/54,946.26 = 22,828.14/x
  3. Step 3: Cross multiply
    39,819.30x = 54,946.26 × 22,828.14
  4. Step 4: Simplify right side
    39,819.30x = 1,254,320,915.76
  5. Step 5: Solve for x
    x = 1,254,320,915.76/39,819.30
  6. Step 6: Final answer
    x = 31,500.33

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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.