Home / 33,125.18-45,723.02-20,382.26

Finding the Fourth Proportional to 33,125.18, 45,723.02 and 20,382.26

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Solution

The fourth proportional to 33,125.18, 45,723.02 and 20,382.26 is: 28,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.18 : 45,723.02 = 20,382.26 : x
  2. Step 2: Convert to fraction form
    33,125.18/45,723.02 = 20,382.26/x
  3. Step 3: Cross multiply
    33,125.18x = 45,723.02 × 20,382.26
  4. Step 4: Simplify right side
    33,125.18x = 931,938,151.10
  5. Step 5: Solve for x
    x = 931,938,151.10/33,125.18
  6. Step 6: Final answer
    x = 28,133.83

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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.