Home / 65,240.58-90,034.12-36,945.66

Finding the Fourth Proportional to 65,240.58, 90,034.12 and 36,945.66

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Solution

The fourth proportional to 65,240.58, 90,034.12 and 36,945.66 is: 50,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.58 : 90,034.12 = 36,945.66 : x
  2. Step 2: Convert to fraction form
    65,240.58/90,034.12 = 36,945.66/x
  3. Step 3: Cross multiply
    65,240.58x = 90,034.12 × 36,945.66
  4. Step 4: Simplify right side
    65,240.58x = 3,326,369,985.92
  5. Step 5: Solve for x
    x = 3,326,369,985.92/65,240.58
  6. Step 6: Final answer
    x = 50,986.21

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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.