Home / 38,745.96-58,113.42-12,447.30

Finding the Fourth Proportional to 38,745.96, 58,113.42 and 12,447.30

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Solution

The fourth proportional to 38,745.96, 58,113.42 and 12,447.30 is: 18,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.96 : 58,113.42 = 12,447.30 : x
  2. Step 2: Convert to fraction form
    38,745.96/58,113.42 = 12,447.30/x
  3. Step 3: Cross multiply
    38,745.96x = 58,113.42 × 12,447.30
  4. Step 4: Simplify right side
    38,745.96x = 723,355,172.77
  5. Step 5: Solve for x
    x = 723,355,172.77/38,745.96
  6. Step 6: Final answer
    x = 18,669.18

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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.