Home / 23,129.67-31,919.72-14,175.45

Finding the Fourth Proportional to 23,129.67, 31,919.72 and 14,175.45

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Solution

The fourth proportional to 23,129.67, 31,919.72 and 14,175.45 is: 19,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.67 : 31,919.72 = 14,175.45 : x
  2. Step 2: Convert to fraction form
    23,129.67/31,919.72 = 14,175.45/x
  3. Step 3: Cross multiply
    23,129.67x = 31,919.72 × 14,175.45
  4. Step 4: Simplify right side
    23,129.67x = 452,476,394.87
  5. Step 5: Solve for x
    x = 452,476,394.87/23,129.67
  6. Step 6: Final answer
    x = 19,562.60

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1.5x scale

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.