Home / 33,415.28-46,108.70-19,981.63

Finding the Fourth Proportional to 33,415.28, 46,108.70 and 19,981.63

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Solution

The fourth proportional to 33,415.28, 46,108.70 and 19,981.63 is: 27,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.28 : 46,108.70 = 19,981.63 : x
  2. Step 2: Convert to fraction form
    33,415.28/46,108.70 = 19,981.63/x
  3. Step 3: Cross multiply
    33,415.28x = 46,108.70 × 19,981.63
  4. Step 4: Simplify right side
    33,415.28x = 921,326,652.73
  5. Step 5: Solve for x
    x = 921,326,652.73/33,415.28
  6. Step 6: Final answer
    x = 27,572.02

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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.