Home / 35,112.66-48,456.33-21,315.16

Finding the Fourth Proportional to 35,112.66, 48,456.33 and 21,315.16

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Solution

The fourth proportional to 35,112.66, 48,456.33 and 21,315.16 is: 29,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.66 : 48,456.33 = 21,315.16 : x
  2. Step 2: Convert to fraction form
    35,112.66/48,456.33 = 21,315.16/x
  3. Step 3: Cross multiply
    35,112.66x = 48,456.33 × 21,315.16
  4. Step 4: Simplify right side
    35,112.66x = 1,032,854,451.16
  5. Step 5: Solve for x
    x = 1,032,854,451.16/35,112.66
  6. Step 6: Final answer
    x = 29,415.44

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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.