Home / 40,619.60-60,929.40-19,883.60

Finding the Fourth Proportional to 40,619.60, 60,929.40 and 19,883.60

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Solution

The fourth proportional to 40,619.60, 60,929.40 and 19,883.60 is: 29,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.60 : 60,929.40 = 19,883.60 : x
  2. Step 2: Convert to fraction form
    40,619.60/60,929.40 = 19,883.60/x
  3. Step 3: Cross multiply
    40,619.60x = 60,929.40 × 19,883.60
  4. Step 4: Simplify right side
    40,619.60x = 1,211,495,817.84
  5. Step 5: Solve for x
    x = 1,211,495,817.84/40,619.60
  6. Step 6: Final answer
    x = 29,825.40

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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.