Home / 35,607.08-53,410.55-13,425.43

Finding the Fourth Proportional to 35,607.08, 53,410.55 and 13,425.43

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Solution

The fourth proportional to 35,607.08, 53,410.55 and 13,425.43 is: 20,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.08 : 53,410.55 = 13,425.43 : x
  2. Step 2: Convert to fraction form
    35,607.08/53,410.55 = 13,425.43/x
  3. Step 3: Cross multiply
    35,607.08x = 53,410.55 × 13,425.43
  4. Step 4: Simplify right side
    35,607.08x = 717,059,600.29
  5. Step 5: Solve for x
    x = 717,059,600.29/35,607.08
  6. Step 6: Final answer
    x = 20,138.12

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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.