Home / 43,917.05-65,877.39-12,752.30

Finding the Fourth Proportional to 43,917.05, 65,877.39 and 12,752.30

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Solution

The fourth proportional to 43,917.05, 65,877.39 and 12,752.30 is: 19,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,917.05 : 65,877.39 = 12,752.30 : x
  2. Step 2: Convert to fraction form
    43,917.05/65,877.39 = 12,752.30/x
  3. Step 3: Cross multiply
    43,917.05x = 65,877.39 × 12,752.30
  4. Step 4: Simplify right side
    43,917.05x = 840,088,405.19
  5. Step 5: Solve for x
    x = 840,088,405.19/43,917.05
  6. Step 6: Final answer
    x = 19,128.98

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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.