Home / 47,136.81-70,714.94-15,971.25

Finding the Fourth Proportional to 47,136.81, 70,714.94 and 15,971.25

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Solution

The fourth proportional to 47,136.81, 70,714.94 and 15,971.25 is: 23,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.81 : 70,714.94 = 15,971.25 : x
  2. Step 2: Convert to fraction form
    47,136.81/70,714.94 = 15,971.25/x
  3. Step 3: Cross multiply
    47,136.81x = 70,714.94 × 15,971.25
  4. Step 4: Simplify right side
    47,136.81x = 1,129,405,905.62
  5. Step 5: Solve for x
    x = 1,129,405,905.62/47,136.81
  6. Step 6: Final answer
    x = 23,960.17

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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.