Home / 31,073.78-42,882.64-16,927.52

Finding the Fourth Proportional to 31,073.78, 42,882.64 and 16,927.52

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Solution

The fourth proportional to 31,073.78, 42,882.64 and 16,927.52 is: 23,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.78 : 42,882.64 = 16,927.52 : x
  2. Step 2: Convert to fraction form
    31,073.78/42,882.64 = 16,927.52/x
  3. Step 3: Cross multiply
    31,073.78x = 42,882.64 × 16,927.52
  4. Step 4: Simplify right side
    31,073.78x = 725,896,746.25
  5. Step 5: Solve for x
    x = 725,896,746.25/31,073.78
  6. Step 6: Final answer
    x = 23,360.43

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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.