Home / 39,938.86-55,111.62-22,029.22

Finding the Fourth Proportional to 39,938.86, 55,111.62 and 22,029.22

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Solution

The fourth proportional to 39,938.86, 55,111.62 and 22,029.22 is: 30,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.86 : 55,111.62 = 22,029.22 : x
  2. Step 2: Convert to fraction form
    39,938.86/55,111.62 = 22,029.22/x
  3. Step 3: Cross multiply
    39,938.86x = 55,111.62 × 22,029.22
  4. Step 4: Simplify right side
    39,938.86x = 1,214,066,001.54
  5. Step 5: Solve for x
    x = 1,214,066,001.54/39,938.86
  6. Step 6: Final answer
    x = 30,398.11

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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.