Home / 33,125.56-45,728.20-21,801.00

Finding the Fourth Proportional to 33,125.56, 45,728.20 and 21,801.00

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Solution

The fourth proportional to 33,125.56, 45,728.20 and 21,801.00 is: 30,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.56 : 45,728.20 = 21,801.00 : x
  2. Step 2: Convert to fraction form
    33,125.56/45,728.20 = 21,801.00/x
  3. Step 3: Cross multiply
    33,125.56x = 45,728.20 × 21,801.00
  4. Step 4: Simplify right side
    33,125.56x = 996,920,307.08
  5. Step 5: Solve for x
    x = 996,920,307.08/33,125.56
  6. Step 6: Final answer
    x = 30,095.20

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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.