Home / 35,408.54-48,857.58-21,261.69

Finding the Fourth Proportional to 35,408.54, 48,857.58 and 21,261.69

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Solution

The fourth proportional to 35,408.54, 48,857.58 and 21,261.69 is: 29,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.54 : 48,857.58 = 21,261.69 : x
  2. Step 2: Convert to fraction form
    35,408.54/48,857.58 = 21,261.69/x
  3. Step 3: Cross multiply
    35,408.54x = 48,857.58 × 21,261.69
  4. Step 4: Simplify right side
    35,408.54x = 1,038,794,720.11
  5. Step 5: Solve for x
    x = 1,038,794,720.11/35,408.54
  6. Step 6: Final answer
    x = 29,337.40

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Double scale
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1.5x scale

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.