Home / 31,395.04-47,085.24-11,682.88

Finding the Fourth Proportional to 31,395.04, 47,085.24 and 11,682.88

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Solution

The fourth proportional to 31,395.04, 47,085.24 and 11,682.88 is: 17,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.04 : 47,085.24 = 11,682.88 : x
  2. Step 2: Convert to fraction form
    31,395.04/47,085.24 = 11,682.88/x
  3. Step 3: Cross multiply
    31,395.04x = 47,085.24 × 11,682.88
  4. Step 4: Simplify right side
    31,395.04x = 550,091,208.69
  5. Step 5: Solve for x
    x = 550,091,208.69/31,395.04
  6. Step 6: Final answer
    x = 17,521.60

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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.