Home / 33,254.61-45,887.22-21,156.48

Finding the Fourth Proportional to 33,254.61, 45,887.22 and 21,156.48

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Solution

The fourth proportional to 33,254.61, 45,887.22 and 21,156.48 is: 29,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,254.61 : 45,887.22 = 21,156.48 : x
  2. Step 2: Convert to fraction form
    33,254.61/45,887.22 = 21,156.48/x
  3. Step 3: Cross multiply
    33,254.61x = 45,887.22 × 21,156.48
  4. Step 4: Simplify right side
    33,254.61x = 970,812,052.19
  5. Step 5: Solve for x
    x = 970,812,052.19/33,254.61
  6. Step 6: Final answer
    x = 29,193.31

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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.