Home / 39,815.12-59,930.06-33,801.68

Finding the Fourth Proportional to 39,815.12, 59,930.06 and 33,801.68

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Solution

The fourth proportional to 39,815.12, 59,930.06 and 33,801.68 is: 50,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.12 : 59,930.06 = 33,801.68 : x
  2. Step 2: Convert to fraction form
    39,815.12/59,930.06 = 33,801.68/x
  3. Step 3: Cross multiply
    39,815.12x = 59,930.06 × 33,801.68
  4. Step 4: Simplify right side
    39,815.12x = 2,025,736,710.50
  5. Step 5: Solve for x
    x = 2,025,736,710.50/39,815.12
  6. Step 6: Final answer
    x = 50,878.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.