Home / 43,271.85-64,914.53-13,686.87

Finding the Fourth Proportional to 43,271.85, 64,914.53 and 13,686.87

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Solution

The fourth proportional to 43,271.85, 64,914.53 and 13,686.87 is: 20,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.85 : 64,914.53 = 13,686.87 : x
  2. Step 2: Convert to fraction form
    43,271.85/64,914.53 = 13,686.87/x
  3. Step 3: Cross multiply
    43,271.85x = 64,914.53 × 13,686.87
  4. Step 4: Simplify right side
    43,271.85x = 888,476,664.79
  5. Step 5: Solve for x
    x = 888,476,664.79/43,271.85
  6. Step 6: Final answer
    x = 20,532.44

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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.