Home / 33,028.74-45,617.51-21,748.66

Finding the Fourth Proportional to 33,028.74, 45,617.51 and 21,748.66

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Solution

The fourth proportional to 33,028.74, 45,617.51 and 21,748.66 is: 30,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.74 : 45,617.51 = 21,748.66 : x
  2. Step 2: Convert to fraction form
    33,028.74/45,617.51 = 21,748.66/x
  3. Step 3: Cross multiply
    33,028.74x = 45,617.51 × 21,748.66
  4. Step 4: Simplify right side
    33,028.74x = 992,119,486.95
  5. Step 5: Solve for x
    x = 992,119,486.95/33,028.74
  6. Step 6: Final answer
    x = 30,038.07

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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.