Home / 31,225.79-46,835.64-17,181.20

Finding the Fourth Proportional to 31,225.79, 46,835.64 and 17,181.20

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Solution

The fourth proportional to 31,225.79, 46,835.64 and 17,181.20 is: 25,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.79 : 46,835.64 = 17,181.20 : x
  2. Step 2: Convert to fraction form
    31,225.79/46,835.64 = 17,181.20/x
  3. Step 3: Cross multiply
    31,225.79x = 46,835.64 × 17,181.20
  4. Step 4: Simplify right side
    31,225.79x = 804,692,263.79
  5. Step 5: Solve for x
    x = 804,692,263.79/31,225.79
  6. Step 6: Final answer
    x = 25,770.12

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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.