Home / 35,575.32-53,390.52-13,408.86

Finding the Fourth Proportional to 35,575.32, 53,390.52 and 13,408.86

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Solution

The fourth proportional to 35,575.32, 53,390.52 and 13,408.86 is: 20,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,575.32 : 53,390.52 = 13,408.86 : x
  2. Step 2: Convert to fraction form
    35,575.32/53,390.52 = 13,408.86/x
  3. Step 3: Cross multiply
    35,575.32x = 53,390.52 × 13,408.86
  4. Step 4: Simplify right side
    35,575.32x = 715,906,008.01
  5. Step 5: Solve for x
    x = 715,906,008.01/35,575.32
  6. Step 6: Final answer
    x = 20,123.67

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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.