Home / 62,175.44-85,746.12-39,815.12

Finding the Fourth Proportional to 62,175.44, 85,746.12 and 39,815.12

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Solution

The fourth proportional to 62,175.44, 85,746.12 and 39,815.12 is: 54,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,175.44 : 85,746.12 = 39,815.12 : x
  2. Step 2: Convert to fraction form
    62,175.44/85,746.12 = 39,815.12/x
  3. Step 3: Cross multiply
    62,175.44x = 85,746.12 × 39,815.12
  4. Step 4: Simplify right side
    62,175.44x = 3,413,992,057.33
  5. Step 5: Solve for x
    x = 3,413,992,057.33/62,175.44
  6. Step 6: Final answer
    x = 54,909.01

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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.