Home / 40,433.81-60,659.93-12,357.86

Finding the Fourth Proportional to 40,433.81, 60,659.93 and 12,357.86

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Solution

The fourth proportional to 40,433.81, 60,659.93 and 12,357.86 is: 18,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,433.81 : 60,659.93 = 12,357.86 : x
  2. Step 2: Convert to fraction form
    40,433.81/60,659.93 = 12,357.86/x
  3. Step 3: Cross multiply
    40,433.81x = 60,659.93 × 12,357.86
  4. Step 4: Simplify right side
    40,433.81x = 749,626,650.14
  5. Step 5: Solve for x
    x = 749,626,650.14/40,433.81
  6. Step 6: Final answer
    x = 18,539.60

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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.