Home / 24,228.30-36,342.45-21,020.70

Finding the Fourth Proportional to 24,228.30, 36,342.45 and 21,020.70

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Solution

The fourth proportional to 24,228.30, 36,342.45 and 21,020.70 is: 31,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,228.30 : 36,342.45 = 21,020.70 : x
  2. Step 2: Convert to fraction form
    24,228.30/36,342.45 = 21,020.70/x
  3. Step 3: Cross multiply
    24,228.30x = 36,342.45 × 21,020.70
  4. Step 4: Simplify right side
    24,228.30x = 763,943,738.72
  5. Step 5: Solve for x
    x = 763,943,738.72/24,228.30
  6. Step 6: Final answer
    x = 31,531.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.