Home / 61,264.20-91,896.30-21,865.80

Finding the Fourth Proportional to 61,264.20, 91,896.30 and 21,865.80

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Solution

The fourth proportional to 61,264.20, 91,896.30 and 21,865.80 is: 32,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.20 : 91,896.30 = 21,865.80 : x
  2. Step 2: Convert to fraction form
    61,264.20/91,896.30 = 21,865.80/x
  3. Step 3: Cross multiply
    61,264.20x = 91,896.30 × 21,865.80
  4. Step 4: Simplify right side
    61,264.20x = 2,009,386,116.54
  5. Step 5: Solve for x
    x = 2,009,386,116.54/61,264.20
  6. Step 6: Final answer
    x = 32,798.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.