Home / 39,077.15-58,621.19-12,783.96

Finding the Fourth Proportional to 39,077.15, 58,621.19 and 12,783.96

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Solution

The fourth proportional to 39,077.15, 58,621.19 and 12,783.96 is: 19,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.15 : 58,621.19 = 12,783.96 : x
  2. Step 2: Convert to fraction form
    39,077.15/58,621.19 = 12,783.96/x
  3. Step 3: Cross multiply
    39,077.15x = 58,621.19 × 12,783.96
  4. Step 4: Simplify right side
    39,077.15x = 749,410,884.19
  5. Step 5: Solve for x
    x = 749,410,884.19/39,077.15
  6. Step 6: Final answer
    x = 19,177.73

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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.