Home / 39,161.45-58,752.18-12,866.42

Finding the Fourth Proportional to 39,161.45, 58,752.18 and 12,866.42

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Solution

The fourth proportional to 39,161.45, 58,752.18 and 12,866.42 is: 19,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.45 : 58,752.18 = 12,866.42 : x
  2. Step 2: Convert to fraction form
    39,161.45/58,752.18 = 12,866.42/x
  3. Step 3: Cross multiply
    39,161.45x = 58,752.18 × 12,866.42
  4. Step 4: Simplify right side
    39,161.45x = 755,930,223.80
  5. Step 5: Solve for x
    x = 755,930,223.80/39,161.45
  6. Step 6: Final answer
    x = 19,302.92

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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.