Home / 47,985.75-66,220.41-26,766.36

Finding the Fourth Proportional to 47,985.75, 66,220.41 and 26,766.36

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Solution

The fourth proportional to 47,985.75, 66,220.41 and 26,766.36 is: 36,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.75 : 66,220.41 = 26,766.36 : x
  2. Step 2: Convert to fraction form
    47,985.75/66,220.41 = 26,766.36/x
  3. Step 3: Cross multiply
    47,985.75x = 66,220.41 × 26,766.36
  4. Step 4: Simplify right side
    47,985.75x = 1,772,479,333.41
  5. Step 5: Solve for x
    x = 1,772,479,333.41/47,985.75
  6. Step 6: Final answer
    x = 36,937.62

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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.