Home / 66,722.94-92,110.97-38,423.16

Finding the Fourth Proportional to 66,722.94, 92,110.97 and 38,423.16

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Solution

The fourth proportional to 66,722.94, 92,110.97 and 38,423.16 is: 53,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.94 : 92,110.97 = 38,423.16 : x
  2. Step 2: Convert to fraction form
    66,722.94/92,110.97 = 38,423.16/x
  3. Step 3: Cross multiply
    66,722.94x = 92,110.97 × 38,423.16
  4. Step 4: Simplify right side
    66,722.94x = 3,539,194,634.12
  5. Step 5: Solve for x
    x = 3,539,194,634.12/66,722.94
  6. Step 6: Final answer
    x = 53,043.15

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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.