Home / 30,591.13-45,881.52-8,399.35

Finding the Fourth Proportional to 30,591.13, 45,881.52 and 8,399.35

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Solution

The fourth proportional to 30,591.13, 45,881.52 and 8,399.35 is: 12,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.13 : 45,881.52 = 8,399.35 : x
  2. Step 2: Convert to fraction form
    30,591.13/45,881.52 = 8,399.35/x
  3. Step 3: Cross multiply
    30,591.13x = 45,881.52 × 8,399.35
  4. Step 4: Simplify right side
    30,591.13x = 385,374,945.01
  5. Step 5: Solve for x
    x = 385,374,945.01/30,591.13
  6. Step 6: Final answer
    x = 12,597.60

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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.