Home / 31,545.78-43,533.24-17,205.63

Finding the Fourth Proportional to 31,545.78, 43,533.24 and 17,205.63

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Solution

The fourth proportional to 31,545.78, 43,533.24 and 17,205.63 is: 23,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.78 : 43,533.24 = 17,205.63 : x
  2. Step 2: Convert to fraction form
    31,545.78/43,533.24 = 17,205.63/x
  3. Step 3: Cross multiply
    31,545.78x = 43,533.24 × 17,205.63
  4. Step 4: Simplify right side
    31,545.78x = 749,016,820.14
  5. Step 5: Solve for x
    x = 749,016,820.14/31,545.78
  6. Step 6: Final answer
    x = 23,743.80

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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.