Home / 35,128.60-52,682.16-18,479.46

Finding the Fourth Proportional to 35,128.60, 52,682.16 and 18,479.46

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Solution

The fourth proportional to 35,128.60, 52,682.16 and 18,479.46 is: 27,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.60 : 52,682.16 = 18,479.46 : x
  2. Step 2: Convert to fraction form
    35,128.60/52,682.16 = 18,479.46/x
  3. Step 3: Cross multiply
    35,128.60x = 52,682.16 × 18,479.46
  4. Step 4: Simplify right side
    35,128.60x = 973,537,868.43
  5. Step 5: Solve for x
    x = 973,537,868.43/35,128.60
  6. Step 6: Final answer
    x = 27,713.54

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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.