Home / 65,276.11-90,080.93-36,981.73

Finding the Fourth Proportional to 65,276.11, 90,080.93 and 36,981.73

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Solution

The fourth proportional to 65,276.11, 90,080.93 and 36,981.73 is: 51,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276.11 : 90,080.93 = 36,981.73 : x
  2. Step 2: Convert to fraction form
    65,276.11/90,080.93 = 36,981.73/x
  3. Step 3: Cross multiply
    65,276.11x = 90,080.93 × 36,981.73
  4. Step 4: Simplify right side
    65,276.11x = 3,331,347,996.10
  5. Step 5: Solve for x
    x = 3,331,347,996.10/65,276.11
  6. Step 6: Final answer
    x = 51,034.72

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1.5x scale

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.