Home / 43,325.25-64,840-36,313.18

Finding the Fourth Proportional to 43,325.25, 64,840 and 36,313.18

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Solution

The fourth proportional to 43,325.25, 64,840 and 36,313.18 is: 54,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.25 : 64,840 = 36,313.18 : x
  2. Step 2: Convert to fraction form
    43,325.25/64,840 = 36,313.18/x
  3. Step 3: Cross multiply
    43,325.25x = 64,840 × 36,313.18
  4. Step 4: Simplify right side
    43,325.25x = 2,354,546,591.20
  5. Step 5: Solve for x
    x = 2,354,546,591.20/43,325.25
  6. Step 6: Final answer
    x = 54,345.83

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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.