Home / 61,619.89-85,025.75-34,761.86

Finding the Fourth Proportional to 61,619.89, 85,025.75 and 34,761.86

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Solution

The fourth proportional to 61,619.89, 85,025.75 and 34,761.86 is: 47,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.89 : 85,025.75 = 34,761.86 : x
  2. Step 2: Convert to fraction form
    61,619.89/85,025.75 = 34,761.86/x
  3. Step 3: Cross multiply
    61,619.89x = 85,025.75 × 34,761.86
  4. Step 4: Simplify right side
    61,619.89x = 2,955,653,133.34
  5. Step 5: Solve for x
    x = 2,955,653,133.34/61,619.89
  6. Step 6: Final answer
    x = 47,965.89

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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.