Home / 29,678.60-44,534.40-12,147.20

Finding the Fourth Proportional to 29,678.60, 44,534.40 and 12,147.20

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Solution

The fourth proportional to 29,678.60, 44,534.40 and 12,147.20 is: 18,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.60 : 44,534.40 = 12,147.20 : x
  2. Step 2: Convert to fraction form
    29,678.60/44,534.40 = 12,147.20/x
  3. Step 3: Cross multiply
    29,678.60x = 44,534.40 × 12,147.20
  4. Step 4: Simplify right side
    29,678.60x = 540,968,263.68
  5. Step 5: Solve for x
    x = 540,968,263.68/29,678.60
  6. Step 6: Final answer
    x = 18,227.55

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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.