Home / 47,703.90-65,803.68-40,185.48

Finding the Fourth Proportional to 47,703.90, 65,803.68 and 40,185.48

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Solution

The fourth proportional to 47,703.90, 65,803.68 and 40,185.48 is: 55,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.90 : 65,803.68 = 40,185.48 : x
  2. Step 2: Convert to fraction form
    47,703.90/65,803.68 = 40,185.48/x
  3. Step 3: Cross multiply
    47,703.90x = 65,803.68 × 40,185.48
  4. Step 4: Simplify right side
    47,703.90x = 2,644,352,466.57
  5. Step 5: Solve for x
    x = 2,644,352,466.57/47,703.90
  6. Step 6: Final answer
    x = 55,432.63

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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.