Home / 35,670.86-49,220.96-19,754.90

Finding the Fourth Proportional to 35,670.86, 49,220.96 and 19,754.90

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Solution

The fourth proportional to 35,670.86, 49,220.96 and 19,754.90 is: 27,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.86 : 49,220.96 = 19,754.90 : x
  2. Step 2: Convert to fraction form
    35,670.86/49,220.96 = 19,754.90/x
  3. Step 3: Cross multiply
    35,670.86x = 49,220.96 × 19,754.90
  4. Step 4: Simplify right side
    35,670.86x = 972,355,142.70
  5. Step 5: Solve for x
    x = 972,355,142.70/35,670.86
  6. Step 6: Final answer
    x = 27,259.09

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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.