Home / 39,044.72-58,565.20-12,746

Finding the Fourth Proportional to 39,044.72, 58,565.20 and 12,746

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Solution

The fourth proportional to 39,044.72, 58,565.20 and 12,746 is: 19,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,044.72 : 58,565.20 = 12,746 : x
  2. Step 2: Convert to fraction form
    39,044.72/58,565.20 = 12,746/x
  3. Step 3: Cross multiply
    39,044.72x = 58,565.20 × 12,746
  4. Step 4: Simplify right side
    39,044.72x = 746,472,039.20
  5. Step 5: Solve for x
    x = 746,472,039.20/39,044.72
  6. Step 6: Final answer
    x = 19,118.39

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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.