Home / 65,531.63-90,433.46-37,242.79

Finding the Fourth Proportional to 65,531.63, 90,433.46 and 37,242.79

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Solution

The fourth proportional to 65,531.63, 90,433.46 and 37,242.79 is: 51,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.63 : 90,433.46 = 37,242.79 : x
  2. Step 2: Convert to fraction form
    65,531.63/90,433.46 = 37,242.79/x
  3. Step 3: Cross multiply
    65,531.63x = 90,433.46 × 37,242.79
  4. Step 4: Simplify right side
    65,531.63x = 3,367,994,226.78
  5. Step 5: Solve for x
    x = 3,367,994,226.78/65,531.63
  6. Step 6: Final answer
    x = 51,394.94

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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.