Home / 38,664.60-57,968.52-12,354.18

Finding the Fourth Proportional to 38,664.60, 57,968.52 and 12,354.18

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Solution

The fourth proportional to 38,664.60, 57,968.52 and 12,354.18 is: 18,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.60 : 57,968.52 = 12,354.18 : x
  2. Step 2: Convert to fraction form
    38,664.60/57,968.52 = 12,354.18/x
  3. Step 3: Cross multiply
    38,664.60x = 57,968.52 × 12,354.18
  4. Step 4: Simplify right side
    38,664.60x = 716,153,530.41
  5. Step 5: Solve for x
    x = 716,153,530.41/38,664.60
  6. Step 6: Final answer
    x = 18,522.20

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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.