Home / 69,011.46-103,516.97-21,630.15

Finding the Fourth Proportional to 69,011.46, 103,516.97 and 21,630.15

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Solution

The fourth proportional to 69,011.46, 103,516.97 and 21,630.15 is: 32,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,011.46 : 103,516.97 = 21,630.15 : x
  2. Step 2: Convert to fraction form
    69,011.46/103,516.97 = 21,630.15/x
  3. Step 3: Cross multiply
    69,011.46x = 103,516.97 × 21,630.15
  4. Step 4: Simplify right side
    69,011.46x = 2,239,087,480.49
  5. Step 5: Solve for x
    x = 2,239,087,480.49/69,011.46
  6. Step 6: Final answer
    x = 32,445.15

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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.