Home / 43,239.62-64,864.74-14,781.28

Finding the Fourth Proportional to 43,239.62, 64,864.74 and 14,781.28

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Solution

The fourth proportional to 43,239.62, 64,864.74 and 14,781.28 is: 22,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.62 : 64,864.74 = 14,781.28 : x
  2. Step 2: Convert to fraction form
    43,239.62/64,864.74 = 14,781.28/x
  3. Step 3: Cross multiply
    43,239.62x = 64,864.74 × 14,781.28
  4. Step 4: Simplify right side
    43,239.62x = 958,783,884.07
  5. Step 5: Solve for x
    x = 958,783,884.07/43,239.62
  6. Step 6: Final answer
    x = 22,173.74

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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.