Home / 39,639.72-59,469.46-27,975.72

Finding the Fourth Proportional to 39,639.72, 59,469.46 and 27,975.72

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Solution

The fourth proportional to 39,639.72, 59,469.46 and 27,975.72 is: 41,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.72 : 59,469.46 = 27,975.72 : x
  2. Step 2: Convert to fraction form
    39,639.72/59,469.46 = 27,975.72/x
  3. Step 3: Cross multiply
    39,639.72x = 59,469.46 × 27,975.72
  4. Step 4: Simplify right side
    39,639.72x = 1,663,700,961.51
  5. Step 5: Solve for x
    x = 1,663,700,961.51/39,639.72
  6. Step 6: Final answer
    x = 41,970.55

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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.