Home / 35,443.74-48,919.47-20,346.63

Finding the Fourth Proportional to 35,443.74, 48,919.47 and 20,346.63

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Solution

The fourth proportional to 35,443.74, 48,919.47 and 20,346.63 is: 28,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.74 : 48,919.47 = 20,346.63 : x
  2. Step 2: Convert to fraction form
    35,443.74/48,919.47 = 20,346.63/x
  3. Step 3: Cross multiply
    35,443.74x = 48,919.47 × 20,346.63
  4. Step 4: Simplify right side
    35,443.74x = 995,346,355.89
  5. Step 5: Solve for x
    x = 995,346,355.89/35,443.74
  6. Step 6: Final answer
    x = 28,082.43

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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.