Home / 50,102.91-69,153.36-31,236.39

Finding the Fourth Proportional to 50,102.91, 69,153.36 and 31,236.39

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Solution

The fourth proportional to 50,102.91, 69,153.36 and 31,236.39 is: 43,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,102.91 : 69,153.36 = 31,236.39 : x
  2. Step 2: Convert to fraction form
    50,102.91/69,153.36 = 31,236.39/x
  3. Step 3: Cross multiply
    50,102.91x = 69,153.36 × 31,236.39
  4. Step 4: Simplify right side
    50,102.91x = 2,160,101,322.77
  5. Step 5: Solve for x
    x = 2,160,101,322.77/50,102.91
  6. Step 6: Final answer
    x = 43,113.29

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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.