Home / 35,422.64-48,868.58-21,079.61

Finding the Fourth Proportional to 35,422.64, 48,868.58 and 21,079.61

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Solution

The fourth proportional to 35,422.64, 48,868.58 and 21,079.61 is: 29,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.64 : 48,868.58 = 21,079.61 : x
  2. Step 2: Convert to fraction form
    35,422.64/48,868.58 = 21,079.61/x
  3. Step 3: Cross multiply
    35,422.64x = 48,868.58 × 21,079.61
  4. Step 4: Simplify right side
    35,422.64x = 1,030,130,257.91
  5. Step 5: Solve for x
    x = 1,030,130,257.91/35,422.64
  6. Step 6: Final answer
    x = 29,081.12

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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.