Home / 39,639.21-59,468.73-27,975.21

Finding the Fourth Proportional to 39,639.21, 59,468.73 and 27,975.21

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Solution

The fourth proportional to 39,639.21, 59,468.73 and 27,975.21 is: 41,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.21 : 59,468.73 = 27,975.21 : x
  2. Step 2: Convert to fraction form
    39,639.21/59,468.73 = 27,975.21/x
  3. Step 3: Cross multiply
    39,639.21x = 59,468.73 × 27,975.21
  4. Step 4: Simplify right side
    39,639.21x = 1,663,650,210.18
  5. Step 5: Solve for x
    x = 1,663,650,210.18/39,639.21
  6. Step 6: Final answer
    x = 41,969.81

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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.