Home / 35,042.88-48,363.40-19,939.20

Finding the Fourth Proportional to 35,042.88, 48,363.40 and 19,939.20

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Solution

The fourth proportional to 35,042.88, 48,363.40 and 19,939.20 is: 27,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,042.88 : 48,363.40 = 19,939.20 : x
  2. Step 2: Convert to fraction form
    35,042.88/48,363.40 = 19,939.20/x
  3. Step 3: Cross multiply
    35,042.88x = 48,363.40 × 19,939.20
  4. Step 4: Simplify right side
    35,042.88x = 964,327,505.28
  5. Step 5: Solve for x
    x = 964,327,505.28/35,042.88
  6. Step 6: Final answer
    x = 27,518.50

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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.