Home / 31,394.61-43,325.18-17,247.99

Finding the Fourth Proportional to 31,394.61, 43,325.18 and 17,247.99

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Solution

The fourth proportional to 31,394.61, 43,325.18 and 17,247.99 is: 23,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.61 : 43,325.18 = 17,247.99 : x
  2. Step 2: Convert to fraction form
    31,394.61/43,325.18 = 17,247.99/x
  3. Step 3: Cross multiply
    31,394.61x = 43,325.18 × 17,247.99
  4. Step 4: Simplify right side
    31,394.61x = 747,272,271.39
  5. Step 5: Solve for x
    x = 747,272,271.39/31,394.61
  6. Step 6: Final answer
    x = 23,802.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.