Home / 50,898.13-70,239.31-28,240.56

Finding the Fourth Proportional to 50,898.13, 70,239.31 and 28,240.56

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Solution

The fourth proportional to 50,898.13, 70,239.31 and 28,240.56 is: 38,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,898.13 : 70,239.31 = 28,240.56 : x
  2. Step 2: Convert to fraction form
    50,898.13/70,239.31 = 28,240.56/x
  3. Step 3: Cross multiply
    50,898.13x = 70,239.31 × 28,240.56
  4. Step 4: Simplify right side
    50,898.13x = 1,983,597,377.81
  5. Step 5: Solve for x
    x = 1,983,597,377.81/50,898.13
  6. Step 6: Final answer
    x = 38,971.91

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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.