Home / 31,392.44-47,089.20-11,416.10

Finding the Fourth Proportional to 31,392.44, 47,089.20 and 11,416.10

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Solution

The fourth proportional to 31,392.44, 47,089.20 and 11,416.10 is: 17,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.44 : 47,089.20 = 11,416.10 : x
  2. Step 2: Convert to fraction form
    31,392.44/47,089.20 = 11,416.10/x
  3. Step 3: Cross multiply
    31,392.44x = 47,089.20 × 11,416.10
  4. Step 4: Simplify right side
    31,392.44x = 537,575,016.12
  5. Step 5: Solve for x
    x = 537,575,016.12/31,392.44
  6. Step 6: Final answer
    x = 17,124.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.