Home / 33,216.07-45,812.25-21,280.51

Finding the Fourth Proportional to 33,216.07, 45,812.25 and 21,280.51

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Solution

The fourth proportional to 33,216.07, 45,812.25 and 21,280.51 is: 29,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.07 : 45,812.25 = 21,280.51 : x
  2. Step 2: Convert to fraction form
    33,216.07/45,812.25 = 21,280.51/x
  3. Step 3: Cross multiply
    33,216.07x = 45,812.25 × 21,280.51
  4. Step 4: Simplify right side
    33,216.07x = 974,908,044.25
  5. Step 5: Solve for x
    x = 974,908,044.25/33,216.07
  6. Step 6: Final answer
    x = 29,350.49

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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.