Home / 62,878.23-86,772.32-34,198.22

Finding the Fourth Proportional to 62,878.23, 86,772.32 and 34,198.22

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Solution

The fourth proportional to 62,878.23, 86,772.32 and 34,198.22 is: 47,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.23 : 86,772.32 = 34,198.22 : x
  2. Step 2: Convert to fraction form
    62,878.23/86,772.32 = 34,198.22/x
  3. Step 3: Cross multiply
    62,878.23x = 86,772.32 × 34,198.22
  4. Step 4: Simplify right side
    62,878.23x = 2,967,458,718.28
  5. Step 5: Solve for x
    x = 2,967,458,718.28/62,878.23
  6. Step 6: Final answer
    x = 47,193.74

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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.