Home / 35,105.72-48,445.98-19,190.36

Finding the Fourth Proportional to 35,105.72, 48,445.98 and 19,190.36

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Solution

The fourth proportional to 35,105.72, 48,445.98 and 19,190.36 is: 26,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.72 : 48,445.98 = 19,190.36 : x
  2. Step 2: Convert to fraction form
    35,105.72/48,445.98 = 19,190.36/x
  3. Step 3: Cross multiply
    35,105.72x = 48,445.98 × 19,190.36
  4. Step 4: Simplify right side
    35,105.72x = 929,695,796.75
  5. Step 5: Solve for x
    x = 929,695,796.75/35,105.72
  6. Step 6: Final answer
    x = 26,482.74

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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.