Home / 61,150.15-84,351.45-38,453.20

Finding the Fourth Proportional to 61,150.15, 84,351.45 and 38,453.20

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Solution

The fourth proportional to 61,150.15, 84,351.45 and 38,453.20 is: 53,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.15 : 84,351.45 = 38,453.20 : x
  2. Step 2: Convert to fraction form
    61,150.15/84,351.45 = 38,453.20/x
  3. Step 3: Cross multiply
    61,150.15x = 84,351.45 × 38,453.20
  4. Step 4: Simplify right side
    61,150.15x = 3,243,583,177.14
  5. Step 5: Solve for x
    x = 3,243,583,177.14/61,150.15
  6. Step 6: Final answer
    x = 53,042.93

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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.