Home / 40,567.22-60,856.58-12,489.60

Finding the Fourth Proportional to 40,567.22, 60,856.58 and 12,489.60

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Solution

The fourth proportional to 40,567.22, 60,856.58 and 12,489.60 is: 18,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,567.22 : 60,856.58 = 12,489.60 : x
  2. Step 2: Convert to fraction form
    40,567.22/60,856.58 = 12,489.60/x
  3. Step 3: Cross multiply
    40,567.22x = 60,856.58 × 12,489.60
  4. Step 4: Simplify right side
    40,567.22x = 760,074,279.12
  5. Step 5: Solve for x
    x = 760,074,279.12/40,567.22
  6. Step 6: Final answer
    x = 18,736.17

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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.