Home / 35,778.30-53,667.54-12,404.73

Finding the Fourth Proportional to 35,778.30, 53,667.54 and 12,404.73

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Solution

The fourth proportional to 35,778.30, 53,667.54 and 12,404.73 is: 18,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.30 : 53,667.54 = 12,404.73 : x
  2. Step 2: Convert to fraction form
    35,778.30/53,667.54 = 12,404.73/x
  3. Step 3: Cross multiply
    35,778.30x = 53,667.54 × 12,404.73
  4. Step 4: Simplify right side
    35,778.30x = 665,731,343.46
  5. Step 5: Solve for x
    x = 665,731,343.46/35,778.30
  6. Step 6: Final answer
    x = 18,607.13

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1.5x scale

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.