Home / 49,929.62-74,894.42-20,339.51

Finding the Fourth Proportional to 49,929.62, 74,894.42 and 20,339.51

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Solution

The fourth proportional to 49,929.62, 74,894.42 and 20,339.51 is: 30,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,929.62 : 74,894.42 = 20,339.51 : x
  2. Step 2: Convert to fraction form
    49,929.62/74,894.42 = 20,339.51/x
  3. Step 3: Cross multiply
    49,929.62x = 74,894.42 × 20,339.51
  4. Step 4: Simplify right side
    49,929.62x = 1,523,315,480.91
  5. Step 5: Solve for x
    x = 1,523,315,480.91/49,929.62
  6. Step 6: Final answer
    x = 30,509.26

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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.