Home / 35,520.26-49,015.98-20,402.33

Finding the Fourth Proportional to 35,520.26, 49,015.98 and 20,402.33

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Solution

The fourth proportional to 35,520.26, 49,015.98 and 20,402.33 is: 28,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.26 : 49,015.98 = 20,402.33 : x
  2. Step 2: Convert to fraction form
    35,520.26/49,015.98 = 20,402.33/x
  3. Step 3: Cross multiply
    35,520.26x = 49,015.98 × 20,402.33
  4. Step 4: Simplify right side
    35,520.26x = 1,000,039,954.15
  5. Step 5: Solve for x
    x = 1,000,039,954.15/35,520.26
  6. Step 6: Final answer
    x = 28,154.08

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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.