Home / 43,265.40-64,897.62-13,683.21

Finding the Fourth Proportional to 43,265.40, 64,897.62 and 13,683.21

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Solution

The fourth proportional to 43,265.40, 64,897.62 and 13,683.21 is: 20,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,265.40 : 64,897.62 = 13,683.21 : x
  2. Step 2: Convert to fraction form
    43,265.40/64,897.62 = 13,683.21/x
  3. Step 3: Cross multiply
    43,265.40x = 64,897.62 × 13,683.21
  4. Step 4: Simplify right side
    43,265.40x = 888,007,762.96
  5. Step 5: Solve for x
    x = 888,007,762.96/43,265.40
  6. Step 6: Final answer
    x = 20,524.66

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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.