Home / 39,911.09-55,073.09-22,005.03

Finding the Fourth Proportional to 39,911.09, 55,073.09 and 22,005.03

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Solution

The fourth proportional to 39,911.09, 55,073.09 and 22,005.03 is: 30,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.09 : 55,073.09 = 22,005.03 : x
  2. Step 2: Convert to fraction form
    39,911.09/55,073.09 = 22,005.03/x
  3. Step 3: Cross multiply
    39,911.09x = 55,073.09 × 22,005.03
  4. Step 4: Simplify right side
    39,911.09x = 1,211,884,887.62
  5. Step 5: Solve for x
    x = 1,211,884,887.62/39,911.09
  6. Step 6: Final answer
    x = 30,364.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.