Home / 35,014.12-48,310.86-21,398.68

Finding the Fourth Proportional to 35,014.12, 48,310.86 and 21,398.68

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Solution

The fourth proportional to 35,014.12, 48,310.86 and 21,398.68 is: 29,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,014.12 : 48,310.86 = 21,398.68 : x
  2. Step 2: Convert to fraction form
    35,014.12/48,310.86 = 21,398.68/x
  3. Step 3: Cross multiply
    35,014.12x = 48,310.86 × 21,398.68
  4. Step 4: Simplify right side
    35,014.12x = 1,033,788,633.66
  5. Step 5: Solve for x
    x = 1,033,788,633.66/35,014.12
  6. Step 6: Final answer
    x = 29,524.91

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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.