Home / 35,813.28-49,418.56-20,703.56

Finding the Fourth Proportional to 35,813.28, 49,418.56 and 20,703.56

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Solution

The fourth proportional to 35,813.28, 49,418.56 and 20,703.56 is: 28,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.28 : 49,418.56 = 20,703.56 : x
  2. Step 2: Convert to fraction form
    35,813.28/49,418.56 = 20,703.56/x
  3. Step 3: Cross multiply
    35,813.28x = 49,418.56 × 20,703.56
  4. Step 4: Simplify right side
    35,813.28x = 1,023,140,122.07
  5. Step 5: Solve for x
    x = 1,023,140,122.07/35,813.28
  6. Step 6: Final answer
    x = 28,568.74

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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.