Home / 65,268.14-90,073.59-36,979.34

Finding the Fourth Proportional to 65,268.14, 90,073.59 and 36,979.34

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Solution

The fourth proportional to 65,268.14, 90,073.59 and 36,979.34 is: 51,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,268.14 : 90,073.59 = 36,979.34 : x
  2. Step 2: Convert to fraction form
    65,268.14/90,073.59 = 36,979.34/x
  3. Step 3: Cross multiply
    65,268.14x = 90,073.59 × 36,979.34
  4. Step 4: Simplify right side
    65,268.14x = 3,330,861,909.63
  5. Step 5: Solve for x
    x = 3,330,861,909.63/65,268.14
  6. Step 6: Final answer
    x = 51,033.50

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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.