Home / 49,135.29-67,806.93-27,915.72

Finding the Fourth Proportional to 49,135.29, 67,806.93 and 27,915.72

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Solution

The fourth proportional to 49,135.29, 67,806.93 and 27,915.72 is: 38,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.29 : 67,806.93 = 27,915.72 : x
  2. Step 2: Convert to fraction form
    49,135.29/67,806.93 = 27,915.72/x
  3. Step 3: Cross multiply
    49,135.29x = 67,806.93 × 27,915.72
  4. Step 4: Simplify right side
    49,135.29x = 1,892,879,271.94
  5. Step 5: Solve for x
    x = 1,892,879,271.94/49,135.29
  6. Step 6: Final answer
    x = 38,523.82

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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.