Home / 40,332.12-60,459.30-20,619.96

Finding the Fourth Proportional to 40,332.12, 60,459.30 and 20,619.96

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Solution

The fourth proportional to 40,332.12, 60,459.30 and 20,619.96 is: 30,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332.12 : 60,459.30 = 20,619.96 : x
  2. Step 2: Convert to fraction form
    40,332.12/60,459.30 = 20,619.96/x
  3. Step 3: Cross multiply
    40,332.12x = 60,459.30 × 20,619.96
  4. Step 4: Simplify right side
    40,332.12x = 1,246,668,347.63
  5. Step 5: Solve for x
    x = 1,246,668,347.63/40,332.12
  6. Step 6: Final answer
    x = 30,910.06

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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.