Home / 39,055.71-58,565.91-12,394.02

Finding the Fourth Proportional to 39,055.71, 58,565.91 and 12,394.02

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Solution

The fourth proportional to 39,055.71, 58,565.91 and 12,394.02 is: 18,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.71 : 58,565.91 = 12,394.02 : x
  2. Step 2: Convert to fraction form
    39,055.71/58,565.91 = 12,394.02/x
  3. Step 3: Cross multiply
    39,055.71x = 58,565.91 × 12,394.02
  4. Step 4: Simplify right side
    39,055.71x = 725,867,059.86
  5. Step 5: Solve for x
    x = 725,867,059.86/39,055.71
  6. Step 6: Final answer
    x = 18,585.43

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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.