Home / 40,615.08-60,909.52-12,906.60

Finding the Fourth Proportional to 40,615.08, 60,909.52 and 12,906.60

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Solution

The fourth proportional to 40,615.08, 60,909.52 and 12,906.60 is: 19,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.08 : 60,909.52 = 12,906.60 : x
  2. Step 2: Convert to fraction form
    40,615.08/60,909.52 = 12,906.60/x
  3. Step 3: Cross multiply
    40,615.08x = 60,909.52 × 12,906.60
  4. Step 4: Simplify right side
    40,615.08x = 786,134,810.83
  5. Step 5: Solve for x
    x = 786,134,810.83/40,615.08
  6. Step 6: Final answer
    x = 19,355.74

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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.