Home / 55,005.40-82,487.17-23,430.39

Finding the Fourth Proportional to 55,005.40, 82,487.17 and 23,430.39

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Solution

The fourth proportional to 55,005.40, 82,487.17 and 23,430.39 is: 35,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.40 : 82,487.17 = 23,430.39 : x
  2. Step 2: Convert to fraction form
    55,005.40/82,487.17 = 23,430.39/x
  3. Step 3: Cross multiply
    55,005.40x = 82,487.17 × 23,430.39
  4. Step 4: Simplify right side
    55,005.40x = 1,932,706,563.10
  5. Step 5: Solve for x
    x = 1,932,706,563.10/55,005.40
  6. Step 6: Final answer
    x = 35,136.67

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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.