Home / 61,645.08-85,071.24-34,788.18

Finding the Fourth Proportional to 61,645.08, 85,071.24 and 34,788.18

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Solution

The fourth proportional to 61,645.08, 85,071.24 and 34,788.18 is: 48,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,645.08 : 85,071.24 = 34,788.18 : x
  2. Step 2: Convert to fraction form
    61,645.08/85,071.24 = 34,788.18/x
  3. Step 3: Cross multiply
    61,645.08x = 85,071.24 × 34,788.18
  4. Step 4: Simplify right side
    61,645.08x = 2,959,473,609.94
  5. Step 5: Solve for x
    x = 2,959,473,609.94/61,645.08
  6. Step 6: Final answer
    x = 48,008.27

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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.