Home / 35,310.06-48,729.20-21,160.17

Finding the Fourth Proportional to 35,310.06, 48,729.20 and 21,160.17

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Solution

The fourth proportional to 35,310.06, 48,729.20 and 21,160.17 is: 29,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.06 : 48,729.20 = 21,160.17 : x
  2. Step 2: Convert to fraction form
    35,310.06/48,729.20 = 21,160.17/x
  3. Step 3: Cross multiply
    35,310.06x = 48,729.20 × 21,160.17
  4. Step 4: Simplify right side
    35,310.06x = 1,031,118,050.16
  5. Step 5: Solve for x
    x = 1,031,118,050.16/35,310.06
  6. Step 6: Final answer
    x = 29,201.82

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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.