Home / 35,772.74-49,365.34-19,640.02

Finding the Fourth Proportional to 35,772.74, 49,365.34 and 19,640.02

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Solution

The fourth proportional to 35,772.74, 49,365.34 and 19,640.02 is: 27,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.74 : 49,365.34 = 19,640.02 : x
  2. Step 2: Convert to fraction form
    35,772.74/49,365.34 = 19,640.02/x
  3. Step 3: Cross multiply
    35,772.74x = 49,365.34 × 19,640.02
  4. Step 4: Simplify right side
    35,772.74x = 969,536,264.91
  5. Step 5: Solve for x
    x = 969,536,264.91/35,772.74
  6. Step 6: Final answer
    x = 27,102.66

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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.