Home / 49,389.08-68,156.24-28,168.70

Finding the Fourth Proportional to 49,389.08, 68,156.24 and 28,168.70

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Solution

The fourth proportional to 49,389.08, 68,156.24 and 28,168.70 is: 38,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,389.08 : 68,156.24 = 28,168.70 : x
  2. Step 2: Convert to fraction form
    49,389.08/68,156.24 = 28,168.70/x
  3. Step 3: Cross multiply
    49,389.08x = 68,156.24 × 28,168.70
  4. Step 4: Simplify right side
    49,389.08x = 1,919,872,196.06
  5. Step 5: Solve for x
    x = 1,919,872,196.06/49,389.08
  6. Step 6: Final answer
    x = 38,872.41

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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.