Home / 66,909.40-92,330.36-36,694.06

Finding the Fourth Proportional to 66,909.40, 92,330.36 and 36,694.06

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Solution

The fourth proportional to 66,909.40, 92,330.36 and 36,694.06 is: 50,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.40 : 92,330.36 = 36,694.06 : x
  2. Step 2: Convert to fraction form
    66,909.40/92,330.36 = 36,694.06/x
  3. Step 3: Cross multiply
    66,909.40x = 92,330.36 × 36,694.06
  4. Step 4: Simplify right side
    66,909.40x = 3,387,975,630.57
  5. Step 5: Solve for x
    x = 3,387,975,630.57/66,909.40
  6. Step 6: Final answer
    x = 50,635.27

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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.