Home / 49,364.10-68,123.62-28,145.34

Finding the Fourth Proportional to 49,364.10, 68,123.62 and 28,145.34

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Solution

The fourth proportional to 49,364.10, 68,123.62 and 28,145.34 is: 38,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,364.10 : 68,123.62 = 28,145.34 : x
  2. Step 2: Convert to fraction form
    49,364.10/68,123.62 = 28,145.34/x
  3. Step 3: Cross multiply
    49,364.10x = 68,123.62 × 28,145.34
  4. Step 4: Simplify right side
    49,364.10x = 1,917,362,446.93
  5. Step 5: Solve for x
    x = 1,917,362,446.93/49,364.10
  6. Step 6: Final answer
    x = 38,841.23

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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.