Home / 35,764.20-53,600.40-19,969.20

Finding the Fourth Proportional to 35,764.20, 53,600.40 and 19,969.20

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Solution

The fourth proportional to 35,764.20, 53,600.40 and 19,969.20 is: 29,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,764.20 : 53,600.40 = 19,969.20 : x
  2. Step 2: Convert to fraction form
    35,764.20/53,600.40 = 19,969.20/x
  3. Step 3: Cross multiply
    35,764.20x = 53,600.40 × 19,969.20
  4. Step 4: Simplify right side
    35,764.20x = 1,070,357,107.68
  5. Step 5: Solve for x
    x = 1,070,357,107.68/35,764.20
  6. Step 6: Final answer
    x = 29,928.17

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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.