Home / 35,974.32-53,961.60-12,600.72

Finding the Fourth Proportional to 35,974.32, 53,961.60 and 12,600.72

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Solution

The fourth proportional to 35,974.32, 53,961.60 and 12,600.72 is: 18,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.32 : 53,961.60 = 12,600.72 : x
  2. Step 2: Convert to fraction form
    35,974.32/53,961.60 = 12,600.72/x
  3. Step 3: Cross multiply
    35,974.32x = 53,961.60 × 12,600.72
  4. Step 4: Simplify right side
    35,974.32x = 679,955,012.35
  5. Step 5: Solve for x
    x = 679,955,012.35/35,974.32
  6. Step 6: Final answer
    x = 18,901.12

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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.