Home / 50,890.33-70,237.07-28,236.61

Finding the Fourth Proportional to 50,890.33, 70,237.07 and 28,236.61

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Solution

The fourth proportional to 50,890.33, 70,237.07 and 28,236.61 is: 38,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.33 : 70,237.07 = 28,236.61 : x
  2. Step 2: Convert to fraction form
    50,890.33/70,237.07 = 28,236.61/x
  3. Step 3: Cross multiply
    50,890.33x = 70,237.07 × 28,236.61
  4. Step 4: Simplify right side
    50,890.33x = 1,983,256,753.13
  5. Step 5: Solve for x
    x = 1,983,256,753.13/50,890.33
  6. Step 6: Final answer
    x = 38,971.19

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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.