Home / 29,811.60-44,746.20-18,147.60

Finding the Fourth Proportional to 29,811.60, 44,746.20 and 18,147.60

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Solution

The fourth proportional to 29,811.60, 44,746.20 and 18,147.60 is: 27,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.60 : 44,746.20 = 18,147.60 : x
  2. Step 2: Convert to fraction form
    29,811.60/44,746.20 = 18,147.60/x
  3. Step 3: Cross multiply
    29,811.60x = 44,746.20 × 18,147.60
  4. Step 4: Simplify right side
    29,811.60x = 812,036,139.12
  5. Step 5: Solve for x
    x = 812,036,139.12/29,811.60
  6. Step 6: Final answer
    x = 27,238.93

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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.