Home / 66,908.08-100,371.32-38,841.32

Finding the Fourth Proportional to 66,908.08, 100,371.32 and 38,841.32

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Solution

The fourth proportional to 66,908.08, 100,371.32 and 38,841.32 is: 58,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.08 : 100,371.32 = 38,841.32 : x
  2. Step 2: Convert to fraction form
    66,908.08/100,371.32 = 38,841.32/x
  3. Step 3: Cross multiply
    66,908.08x = 100,371.32 × 38,841.32
  4. Step 4: Simplify right side
    66,908.08x = 3,898,554,558.94
  5. Step 5: Solve for x
    x = 3,898,554,558.94/66,908.08
  6. Step 6: Final answer
    x = 58,267.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.