Home / 69,977.18-96,564.84-39,758.30

Finding the Fourth Proportional to 69,977.18, 96,564.84 and 39,758.30

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Solution

The fourth proportional to 69,977.18, 96,564.84 and 39,758.30 is: 54,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.18 : 96,564.84 = 39,758.30 : x
  2. Step 2: Convert to fraction form
    69,977.18/96,564.84 = 39,758.30/x
  3. Step 3: Cross multiply
    69,977.18x = 96,564.84 × 39,758.30
  4. Step 4: Simplify right side
    69,977.18x = 3,839,253,878.17
  5. Step 5: Solve for x
    x = 3,839,253,878.17/69,977.18
  6. Step 6: Final answer
    x = 54,864.37

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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.