Home / 35,289.70-48,690.66-21,132.52

Finding the Fourth Proportional to 35,289.70, 48,690.66 and 21,132.52

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Solution

The fourth proportional to 35,289.70, 48,690.66 and 21,132.52 is: 29,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.70 : 48,690.66 = 21,132.52 : x
  2. Step 2: Convert to fraction form
    35,289.70/48,690.66 = 21,132.52/x
  3. Step 3: Cross multiply
    35,289.70x = 48,690.66 × 21,132.52
  4. Step 4: Simplify right side
    35,289.70x = 1,028,956,346.26
  5. Step 5: Solve for x
    x = 1,028,956,346.26/35,289.70
  6. Step 6: Final answer
    x = 29,157.41

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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.