Home / 35,826.81-49,445.54-20,716.55

Finding the Fourth Proportional to 35,826.81, 49,445.54 and 20,716.55

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Solution

The fourth proportional to 35,826.81, 49,445.54 and 20,716.55 is: 28,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,826.81 : 49,445.54 = 20,716.55 : x
  2. Step 2: Convert to fraction form
    35,826.81/49,445.54 = 20,716.55/x
  3. Step 3: Cross multiply
    35,826.81x = 49,445.54 × 20,716.55
  4. Step 4: Simplify right side
    35,826.81x = 1,024,340,650.88
  5. Step 5: Solve for x
    x = 1,024,340,650.88/35,826.81
  6. Step 6: Final answer
    x = 28,591.46

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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.