Home / 49,329.40-68,061.45-28,108.21

Finding the Fourth Proportional to 49,329.40, 68,061.45 and 28,108.21

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Solution

The fourth proportional to 49,329.40, 68,061.45 and 28,108.21 is: 38,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.40 : 68,061.45 = 28,108.21 : x
  2. Step 2: Convert to fraction form
    49,329.40/68,061.45 = 28,108.21/x
  3. Step 3: Cross multiply
    49,329.40x = 68,061.45 × 28,108.21
  4. Step 4: Simplify right side
    49,329.40x = 1,913,085,529.50
  5. Step 5: Solve for x
    x = 1,913,085,529.50/49,329.40
  6. Step 6: Final answer
    x = 38,781.85

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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.