Home / 33,210.09-45,829.98-18,102.87

Finding the Fourth Proportional to 33,210.09, 45,829.98 and 18,102.87

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Solution

The fourth proportional to 33,210.09, 45,829.98 and 18,102.87 is: 24,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.09 : 45,829.98 = 18,102.87 : x
  2. Step 2: Convert to fraction form
    33,210.09/45,829.98 = 18,102.87/x
  3. Step 3: Cross multiply
    33,210.09x = 45,829.98 × 18,102.87
  4. Step 4: Simplify right side
    33,210.09x = 829,654,170.04
  5. Step 5: Solve for x
    x = 829,654,170.04/33,210.09
  6. Step 6: Final answer
    x = 24,981.99

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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.