Home / 39,745.60-59,618.40-33,330.40

Finding the Fourth Proportional to 39,745.60, 59,618.40 and 33,330.40

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Solution

The fourth proportional to 39,745.60, 59,618.40 and 33,330.40 is: 49,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.60 : 59,618.40 = 33,330.40 : x
  2. Step 2: Convert to fraction form
    39,745.60/59,618.40 = 33,330.40/x
  3. Step 3: Cross multiply
    39,745.60x = 59,618.40 × 33,330.40
  4. Step 4: Simplify right side
    39,745.60x = 1,987,105,119.36
  5. Step 5: Solve for x
    x = 1,987,105,119.36/39,745.60
  6. Step 6: Final answer
    x = 49,995.60

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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.