Home / 35,819.28-49,426.84-20,709.60

Finding the Fourth Proportional to 35,819.28, 49,426.84 and 20,709.60

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Solution

The fourth proportional to 35,819.28, 49,426.84 and 20,709.60 is: 28,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.28 : 49,426.84 = 20,709.60 : x
  2. Step 2: Convert to fraction form
    35,819.28/49,426.84 = 20,709.60/x
  3. Step 3: Cross multiply
    35,819.28x = 49,426.84 × 20,709.60
  4. Step 4: Simplify right side
    35,819.28x = 1,023,610,085.66
  5. Step 5: Solve for x
    x = 1,023,610,085.66/35,819.28
  6. Step 6: Final answer
    x = 28,577.07

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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.