Home / 31,506.98-47,254.97-11,781.46

Finding the Fourth Proportional to 31,506.98, 47,254.97 and 11,781.46

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Solution

The fourth proportional to 31,506.98, 47,254.97 and 11,781.46 is: 17,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.98 : 47,254.97 = 11,781.46 : x
  2. Step 2: Convert to fraction form
    31,506.98/47,254.97 = 11,781.46/x
  3. Step 3: Cross multiply
    31,506.98x = 47,254.97 × 11,781.46
  4. Step 4: Simplify right side
    31,506.98x = 556,732,450.17
  5. Step 5: Solve for x
    x = 556,732,450.17/31,506.98
  6. Step 6: Final answer
    x = 17,670.13

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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.