Home / 35,309.12-52,956.69-17,521.21

Finding the Fourth Proportional to 35,309.12, 52,956.69 and 17,521.21

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Solution

The fourth proportional to 35,309.12, 52,956.69 and 17,521.21 is: 26,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.12 : 52,956.69 = 17,521.21 : x
  2. Step 2: Convert to fraction form
    35,309.12/52,956.69 = 17,521.21/x
  3. Step 3: Cross multiply
    35,309.12x = 52,956.69 × 17,521.21
  4. Step 4: Simplify right side
    35,309.12x = 927,865,286.89
  5. Step 5: Solve for x
    x = 927,865,286.89/35,309.12
  6. Step 6: Final answer
    x = 26,278.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.