Home / 31,053.44-42,854.64-16,906.52

Finding the Fourth Proportional to 31,053.44, 42,854.64 and 16,906.52

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Solution

The fourth proportional to 31,053.44, 42,854.64 and 16,906.52 is: 23,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053.44 : 42,854.64 = 16,906.52 : x
  2. Step 2: Convert to fraction form
    31,053.44/42,854.64 = 16,906.52/x
  3. Step 3: Cross multiply
    31,053.44x = 42,854.64 × 16,906.52
  4. Step 4: Simplify right side
    31,053.44x = 724,522,828.25
  5. Step 5: Solve for x
    x = 724,522,828.25/31,053.44
  6. Step 6: Final answer
    x = 23,331.48

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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.