Home / 33,217.07-45,813.63-21,281.52

Finding the Fourth Proportional to 33,217.07, 45,813.63 and 21,281.52

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Solution

The fourth proportional to 33,217.07, 45,813.63 and 21,281.52 is: 29,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.07 : 45,813.63 = 21,281.52 : x
  2. Step 2: Convert to fraction form
    33,217.07/45,813.63 = 21,281.52/x
  3. Step 3: Cross multiply
    33,217.07x = 45,813.63 × 21,281.52
  4. Step 4: Simplify right side
    33,217.07x = 974,983,683.12
  5. Step 5: Solve for x
    x = 974,983,683.12/33,217.07
  6. Step 6: Final answer
    x = 29,351.89

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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.