Home / 43,168.78-64,750.01-13,595.07

Finding the Fourth Proportional to 43,168.78, 64,750.01 and 13,595.07

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Solution

The fourth proportional to 43,168.78, 64,750.01 and 13,595.07 is: 20,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.78 : 64,750.01 = 13,595.07 : x
  2. Step 2: Convert to fraction form
    43,168.78/64,750.01 = 13,595.07/x
  3. Step 3: Cross multiply
    43,168.78x = 64,750.01 × 13,595.07
  4. Step 4: Simplify right side
    43,168.78x = 880,280,994.94
  5. Step 5: Solve for x
    x = 880,280,994.94/43,168.78
  6. Step 6: Final answer
    x = 20,391.61

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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.