Home / 35,211.47-48,591-20,103.77

Finding the Fourth Proportional to 35,211.47, 48,591 and 20,103.77

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Solution

The fourth proportional to 35,211.47, 48,591 and 20,103.77 is: 27,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.47 : 48,591 = 20,103.77 : x
  2. Step 2: Convert to fraction form
    35,211.47/48,591 = 20,103.77/x
  3. Step 3: Cross multiply
    35,211.47x = 48,591 × 20,103.77
  4. Step 4: Simplify right side
    35,211.47x = 976,862,045.12
  5. Step 5: Solve for x
    x = 976,862,045.12/35,211.47
  6. Step 6: Final answer
    x = 27,742.73

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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.