Home / 35,857.15-53,785.28-16,121.77

Finding the Fourth Proportional to 35,857.15, 53,785.28 and 16,121.77

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Solution

The fourth proportional to 35,857.15, 53,785.28 and 16,121.77 is: 24,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.15 : 53,785.28 = 16,121.77 : x
  2. Step 2: Convert to fraction form
    35,857.15/53,785.28 = 16,121.77/x
  3. Step 3: Cross multiply
    35,857.15x = 53,785.28 × 16,121.77
  4. Step 4: Simplify right side
    35,857.15x = 867,113,819.39
  5. Step 5: Solve for x
    x = 867,113,819.39/35,857.15
  6. Step 6: Final answer
    x = 24,182.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.