Home / 49,377.70-68,140.93-28,156.51

Finding the Fourth Proportional to 49,377.70, 68,140.93 and 28,156.51

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Solution

The fourth proportional to 49,377.70, 68,140.93 and 28,156.51 is: 38,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,377.70 : 68,140.93 = 28,156.51 : x
  2. Step 2: Convert to fraction form
    49,377.70/68,140.93 = 28,156.51/x
  3. Step 3: Cross multiply
    49,377.70x = 68,140.93 × 28,156.51
  4. Step 4: Simplify right side
    49,377.70x = 1,918,610,295.47
  5. Step 5: Solve for x
    x = 1,918,610,295.47/49,377.70
  6. Step 6: Final answer
    x = 38,855.81

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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.