Home / 40,346.40-60,527.70-12,268.20

Finding the Fourth Proportional to 40,346.40, 60,527.70 and 12,268.20

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Solution

The fourth proportional to 40,346.40, 60,527.70 and 12,268.20 is: 18,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.40 : 60,527.70 = 12,268.20 : x
  2. Step 2: Convert to fraction form
    40,346.40/60,527.70 = 12,268.20/x
  3. Step 3: Cross multiply
    40,346.40x = 60,527.70 × 12,268.20
  4. Step 4: Simplify right side
    40,346.40x = 742,565,929.14
  5. Step 5: Solve for x
    x = 742,565,929.14/40,346.40
  6. Step 6: Final answer
    x = 18,404.76

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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.