Home / 34,879.20-48,133.40-18,963.71

Finding the Fourth Proportional to 34,879.20, 48,133.40 and 18,963.71

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Solution

The fourth proportional to 34,879.20, 48,133.40 and 18,963.71 is: 26,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.20 : 48,133.40 = 18,963.71 : x
  2. Step 2: Convert to fraction form
    34,879.20/48,133.40 = 18,963.71/x
  3. Step 3: Cross multiply
    34,879.20x = 48,133.40 × 18,963.71
  4. Step 4: Simplify right side
    34,879.20x = 912,787,838.91
  5. Step 5: Solve for x
    x = 912,787,838.91/34,879.20
  6. Step 6: Final answer
    x = 26,169.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.