Home / 35,453.01-53,182.40-12,961.17

Finding the Fourth Proportional to 35,453.01, 53,182.40 and 12,961.17

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Solution

The fourth proportional to 35,453.01, 53,182.40 and 12,961.17 is: 19,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.01 : 53,182.40 = 12,961.17 : x
  2. Step 2: Convert to fraction form
    35,453.01/53,182.40 = 12,961.17/x
  3. Step 3: Cross multiply
    35,453.01x = 53,182.40 × 12,961.17
  4. Step 4: Simplify right side
    35,453.01x = 689,306,062.60
  5. Step 5: Solve for x
    x = 689,306,062.60/35,453.01
  6. Step 6: Final answer
    x = 19,442.81

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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.