Home / 71,175.36-98,214.48-39,339.12

Finding the Fourth Proportional to 71,175.36, 98,214.48 and 39,339.12

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Solution

The fourth proportional to 71,175.36, 98,214.48 and 39,339.12 is: 54,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,175.36 : 98,214.48 = 39,339.12 : x
  2. Step 2: Convert to fraction form
    71,175.36/98,214.48 = 39,339.12/x
  3. Step 3: Cross multiply
    71,175.36x = 98,214.48 × 39,339.12
  4. Step 4: Simplify right side
    71,175.36x = 3,863,671,214.46
  5. Step 5: Solve for x
    x = 3,863,671,214.46/71,175.36
  6. Step 6: Final answer
    x = 54,283.83

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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.