Home / 70,012.07-96,622.38-39,806.87

Finding the Fourth Proportional to 70,012.07, 96,622.38 and 39,806.87

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Solution

The fourth proportional to 70,012.07, 96,622.38 and 39,806.87 is: 54,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.07 : 96,622.38 = 39,806.87 : x
  2. Step 2: Convert to fraction form
    70,012.07/96,622.38 = 39,806.87/x
  3. Step 3: Cross multiply
    70,012.07x = 96,622.38 × 39,806.87
  4. Step 4: Simplify right side
    70,012.07x = 3,846,234,036.64
  5. Step 5: Solve for x
    x = 3,846,234,036.64/70,012.07
  6. Step 6: Final answer
    x = 54,936.73

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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.