Home / 49,381.72-68,145.06-28,167.80

Finding the Fourth Proportional to 49,381.72, 68,145.06 and 28,167.80

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Solution

The fourth proportional to 49,381.72, 68,145.06 and 28,167.80 is: 38,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,381.72 : 68,145.06 = 28,167.80 : x
  2. Step 2: Convert to fraction form
    49,381.72/68,145.06 = 28,167.80/x
  3. Step 3: Cross multiply
    49,381.72x = 68,145.06 × 28,167.80
  4. Step 4: Simplify right side
    49,381.72x = 1,919,496,421.07
  5. Step 5: Solve for x
    x = 1,919,496,421.07/49,381.72
  6. Step 6: Final answer
    x = 38,870.59

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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.