Home / 39,166.58-58,737.43-12,865.20

Finding the Fourth Proportional to 39,166.58, 58,737.43 and 12,865.20

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Solution

The fourth proportional to 39,166.58, 58,737.43 and 12,865.20 is: 19,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.58 : 58,737.43 = 12,865.20 : x
  2. Step 2: Convert to fraction form
    39,166.58/58,737.43 = 12,865.20/x
  3. Step 3: Cross multiply
    39,166.58x = 58,737.43 × 12,865.20
  4. Step 4: Simplify right side
    39,166.58x = 755,668,784.44
  5. Step 5: Solve for x
    x = 755,668,784.44/39,166.58
  6. Step 6: Final answer
    x = 19,293.71

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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.