Home / 50,330.28-69,427.12-31,201.32

Finding the Fourth Proportional to 50,330.28, 69,427.12 and 31,201.32

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Solution

The fourth proportional to 50,330.28, 69,427.12 and 31,201.32 is: 43,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.28 : 69,427.12 = 31,201.32 : x
  2. Step 2: Convert to fraction form
    50,330.28/69,427.12 = 31,201.32/x
  3. Step 3: Cross multiply
    50,330.28x = 69,427.12 × 31,201.32
  4. Step 4: Simplify right side
    50,330.28x = 2,166,217,787.80
  5. Step 5: Solve for x
    x = 2,166,217,787.80/50,330.28
  6. Step 6: Final answer
    x = 43,040.05

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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.