Home / 35,221.14-48,620.40-21,071.28

Finding the Fourth Proportional to 35,221.14, 48,620.40 and 21,071.28

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Solution

The fourth proportional to 35,221.14, 48,620.40 and 21,071.28 is: 29,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.14 : 48,620.40 = 21,071.28 : x
  2. Step 2: Convert to fraction form
    35,221.14/48,620.40 = 21,071.28/x
  3. Step 3: Cross multiply
    35,221.14x = 48,620.40 × 21,071.28
  4. Step 4: Simplify right side
    35,221.14x = 1,024,494,062.11
  5. Step 5: Solve for x
    x = 1,024,494,062.11/35,221.14
  6. Step 6: Final answer
    x = 29,087.48

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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.