Home / 39,729.48-59,600.70-12,021

Finding the Fourth Proportional to 39,729.48, 59,600.70 and 12,021

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Solution

The fourth proportional to 39,729.48, 59,600.70 and 12,021 is: 18,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.48 : 59,600.70 = 12,021 : x
  2. Step 2: Convert to fraction form
    39,729.48/59,600.70 = 12,021/x
  3. Step 3: Cross multiply
    39,729.48x = 59,600.70 × 12,021
  4. Step 4: Simplify right side
    39,729.48x = 716,460,014.70
  5. Step 5: Solve for x
    x = 716,460,014.70/39,729.48
  6. Step 6: Final answer
    x = 18,033.46

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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.