Home / 31,731.03-47,596.20-13,006.89

Finding the Fourth Proportional to 31,731.03, 47,596.20 and 13,006.89

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Solution

The fourth proportional to 31,731.03, 47,596.20 and 13,006.89 is: 19,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.03 : 47,596.20 = 13,006.89 : x
  2. Step 2: Convert to fraction form
    31,731.03/47,596.20 = 13,006.89/x
  3. Step 3: Cross multiply
    31,731.03x = 47,596.20 × 13,006.89
  4. Step 4: Simplify right side
    31,731.03x = 619,078,537.82
  5. Step 5: Solve for x
    x = 619,078,537.82/31,731.03
  6. Step 6: Final answer
    x = 19,510.19

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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.