Home / 39,390.66-59,078.99-15,696.23

Finding the Fourth Proportional to 39,390.66, 59,078.99 and 15,696.23

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Solution

The fourth proportional to 39,390.66, 59,078.99 and 15,696.23 is: 23,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.66 : 59,078.99 = 15,696.23 : x
  2. Step 2: Convert to fraction form
    39,390.66/59,078.99 = 15,696.23/x
  3. Step 3: Cross multiply
    39,390.66x = 59,078.99 × 15,696.23
  4. Step 4: Simplify right side
    39,390.66x = 927,317,159.05
  5. Step 5: Solve for x
    x = 927,317,159.05/39,390.66
  6. Step 6: Final answer
    x = 23,541.55

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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.