Home / 31,173.98-46,781.48-11,452.71

Finding the Fourth Proportional to 31,173.98, 46,781.48 and 11,452.71

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Solution

The fourth proportional to 31,173.98, 46,781.48 and 11,452.71 is: 17,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.98 : 46,781.48 = 11,452.71 : x
  2. Step 2: Convert to fraction form
    31,173.98/46,781.48 = 11,452.71/x
  3. Step 3: Cross multiply
    31,173.98x = 46,781.48 × 11,452.71
  4. Step 4: Simplify right side
    31,173.98x = 535,774,666.55
  5. Step 5: Solve for x
    x = 535,774,666.55/31,173.98
  6. Step 6: Final answer
    x = 17,186.60

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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.