Home / 50,209.12-69,259.80-31,313.44

Finding the Fourth Proportional to 50,209.12, 69,259.80 and 31,313.44

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Solution

The fourth proportional to 50,209.12, 69,259.80 and 31,313.44 is: 43,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,209.12 : 69,259.80 = 31,313.44 : x
  2. Step 2: Convert to fraction form
    50,209.12/69,259.80 = 31,313.44/x
  3. Step 3: Cross multiply
    50,209.12x = 69,259.80 × 31,313.44
  4. Step 4: Simplify right side
    50,209.12x = 2,168,762,591.71
  5. Step 5: Solve for x
    x = 2,168,762,591.71/50,209.12
  6. Step 6: Final answer
    x = 43,194.59

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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.