Home / 65,674.18-90,631.07-37,380.07

Finding the Fourth Proportional to 65,674.18, 90,631.07 and 37,380.07

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Solution

The fourth proportional to 65,674.18, 90,631.07 and 37,380.07 is: 51,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,674.18 : 90,631.07 = 37,380.07 : x
  2. Step 2: Convert to fraction form
    65,674.18/90,631.07 = 37,380.07/x
  3. Step 3: Cross multiply
    65,674.18x = 90,631.07 × 37,380.07
  4. Step 4: Simplify right side
    65,674.18x = 3,387,795,740.77
  5. Step 5: Solve for x
    x = 3,387,795,740.77/65,674.18
  6. Step 6: Final answer
    x = 51,584.90

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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.