Home / 61,146.14-84,345.92-38,449.20

Finding the Fourth Proportional to 61,146.14, 84,345.92 and 38,449.20

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Solution

The fourth proportional to 61,146.14, 84,345.92 and 38,449.20 is: 53,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.14 : 84,345.92 = 38,449.20 : x
  2. Step 2: Convert to fraction form
    61,146.14/84,345.92 = 38,449.20/x
  3. Step 3: Cross multiply
    61,146.14x = 84,345.92 × 38,449.20
  4. Step 4: Simplify right side
    61,146.14x = 3,243,033,147.26
  5. Step 5: Solve for x
    x = 3,243,033,147.26/61,146.14
  6. Step 6: Final answer
    x = 53,037.41

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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.