Home / 35,682.32-53,521.40-10,721.82

Finding the Fourth Proportional to 35,682.32, 53,521.40 and 10,721.82

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Solution

The fourth proportional to 35,682.32, 53,521.40 and 10,721.82 is: 16,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.32 : 53,521.40 = 10,721.82 : x
  2. Step 2: Convert to fraction form
    35,682.32/53,521.40 = 10,721.82/x
  3. Step 3: Cross multiply
    35,682.32x = 53,521.40 × 10,721.82
  4. Step 4: Simplify right side
    35,682.32x = 573,846,816.95
  5. Step 5: Solve for x
    x = 573,846,816.95/35,682.32
  6. Step 6: Final answer
    x = 16,082.11

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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.