Home / 31,567.21-47,338.51-11,835.01

Finding the Fourth Proportional to 31,567.21, 47,338.51 and 11,835.01

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Solution

The fourth proportional to 31,567.21, 47,338.51 and 11,835.01 is: 17,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.21 : 47,338.51 = 11,835.01 : x
  2. Step 2: Convert to fraction form
    31,567.21/47,338.51 = 11,835.01/x
  3. Step 3: Cross multiply
    31,567.21x = 47,338.51 × 11,835.01
  4. Step 4: Simplify right side
    31,567.21x = 560,251,739.24
  5. Step 5: Solve for x
    x = 560,251,739.24/31,567.21
  6. Step 6: Final answer
    x = 17,747.90

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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.