Home / 33,070.75-45,637.64-18,166.75

Finding the Fourth Proportional to 33,070.75, 45,637.64 and 18,166.75

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Solution

The fourth proportional to 33,070.75, 45,637.64 and 18,166.75 is: 25,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.75 : 45,637.64 = 18,166.75 : x
  2. Step 2: Convert to fraction form
    33,070.75/45,637.64 = 18,166.75/x
  3. Step 3: Cross multiply
    33,070.75x = 45,637.64 × 18,166.75
  4. Step 4: Simplify right side
    33,070.75x = 829,087,596.47
  5. Step 5: Solve for x
    x = 829,087,596.47/33,070.75
  6. Step 6: Final answer
    x = 25,070.12

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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.