Home / 31,911.09-47,888.51-11,134.59

Finding the Fourth Proportional to 31,911.09, 47,888.51 and 11,134.59

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Solution

The fourth proportional to 31,911.09, 47,888.51 and 11,134.59 is: 16,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.09 : 47,888.51 = 11,134.59 : x
  2. Step 2: Convert to fraction form
    31,911.09/47,888.51 = 11,134.59/x
  3. Step 3: Cross multiply
    31,911.09x = 47,888.51 × 11,134.59
  4. Step 4: Simplify right side
    31,911.09x = 533,218,868.89
  5. Step 5: Solve for x
    x = 533,218,868.89/31,911.09
  6. Step 6: Final answer
    x = 16,709.52

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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.