Home / 31,777.80-47,667.06-9,591.39

Finding the Fourth Proportional to 31,777.80, 47,667.06 and 9,591.39

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Solution

The fourth proportional to 31,777.80, 47,667.06 and 9,591.39 is: 14,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.80 : 47,667.06 = 9,591.39 : x
  2. Step 2: Convert to fraction form
    31,777.80/47,667.06 = 9,591.39/x
  3. Step 3: Cross multiply
    31,777.80x = 47,667.06 × 9,591.39
  4. Step 4: Simplify right side
    31,777.80x = 457,193,362.61
  5. Step 5: Solve for x
    x = 457,193,362.61/31,777.80
  6. Step 6: Final answer
    x = 14,387.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.