Home / 49,064.86-67,718.37-28,920.58

Finding the Fourth Proportional to 49,064.86, 67,718.37 and 28,920.58

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Solution

The fourth proportional to 49,064.86, 67,718.37 and 28,920.58 is: 39,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,064.86 : 67,718.37 = 28,920.58 : x
  2. Step 2: Convert to fraction form
    49,064.86/67,718.37 = 28,920.58/x
  3. Step 3: Cross multiply
    49,064.86x = 67,718.37 × 28,920.58
  4. Step 4: Simplify right side
    49,064.86x = 1,958,454,537.05
  5. Step 5: Solve for x
    x = 1,958,454,537.05/49,064.86
  6. Step 6: Final answer
    x = 39,915.62

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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.