Home / 33,215.28-45,838.18-19,784.70

Finding the Fourth Proportional to 33,215.28, 45,838.18 and 19,784.70

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Solution

The fourth proportional to 33,215.28, 45,838.18 and 19,784.70 is: 27,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.28 : 45,838.18 = 19,784.70 : x
  2. Step 2: Convert to fraction form
    33,215.28/45,838.18 = 19,784.70/x
  3. Step 3: Cross multiply
    33,215.28x = 45,838.18 × 19,784.70
  4. Step 4: Simplify right side
    33,215.28x = 906,894,664.58
  5. Step 5: Solve for x
    x = 906,894,664.58/33,215.28
  6. Step 6: Final answer
    x = 27,303.54

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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.