Home / 31,994.80-47,897.40-23,712

Finding the Fourth Proportional to 31,994.80, 47,897.40 and 23,712

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Solution

The fourth proportional to 31,994.80, 47,897.40 and 23,712 is: 35,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.80 : 47,897.40 = 23,712 : x
  2. Step 2: Convert to fraction form
    31,994.80/47,897.40 = 23,712/x
  3. Step 3: Cross multiply
    31,994.80x = 47,897.40 × 23,712
  4. Step 4: Simplify right side
    31,994.80x = 1,135,743,148.80
  5. Step 5: Solve for x
    x = 1,135,743,148.80/31,994.80
  6. Step 6: Final answer
    x = 35,497.74

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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.