Home / 39,003.48-53,820.90-22,006.20

Finding the Fourth Proportional to 39,003.48, 53,820.90 and 22,006.20

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Solution

The fourth proportional to 39,003.48, 53,820.90 and 22,006.20 is: 30,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.48 : 53,820.90 = 22,006.20 : x
  2. Step 2: Convert to fraction form
    39,003.48/53,820.90 = 22,006.20/x
  3. Step 3: Cross multiply
    39,003.48x = 53,820.90 × 22,006.20
  4. Step 4: Simplify right side
    39,003.48x = 1,184,393,489.58
  5. Step 5: Solve for x
    x = 1,184,393,489.58/39,003.48
  6. Step 6: Final answer
    x = 30,366.35

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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.