Home / 49,358.97-68,116.55-28,140.21

Finding the Fourth Proportional to 49,358.97, 68,116.55 and 28,140.21

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Solution

The fourth proportional to 49,358.97, 68,116.55 and 28,140.21 is: 38,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,358.97 : 68,116.55 = 28,140.21 : x
  2. Step 2: Convert to fraction form
    49,358.97/68,116.55 = 28,140.21/x
  3. Step 3: Cross multiply
    49,358.97x = 68,116.55 × 28,140.21
  4. Step 4: Simplify right side
    49,358.97x = 1,916,813,880.77
  5. Step 5: Solve for x
    x = 1,916,813,880.77/49,358.97
  6. Step 6: Final answer
    x = 38,834.15

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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.