Home / 35,728.36-49,302.72-19,812.22

Finding the Fourth Proportional to 35,728.36, 49,302.72 and 19,812.22

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Solution

The fourth proportional to 35,728.36, 49,302.72 and 19,812.22 is: 27,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.36 : 49,302.72 = 19,812.22 : x
  2. Step 2: Convert to fraction form
    35,728.36/49,302.72 = 19,812.22/x
  3. Step 3: Cross multiply
    35,728.36x = 49,302.72 × 19,812.22
  4. Step 4: Simplify right side
    35,728.36x = 976,796,335.24
  5. Step 5: Solve for x
    x = 976,796,335.24/35,728.36
  6. Step 6: Final answer
    x = 27,339.52

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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.