Home / 35,837.28-49,455-19,921.32

Finding the Fourth Proportional to 35,837.28, 49,455 and 19,921.32

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Solution

The fourth proportional to 35,837.28, 49,455 and 19,921.32 is: 27,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.28 : 49,455 = 19,921.32 : x
  2. Step 2: Convert to fraction form
    35,837.28/49,455 = 19,921.32/x
  3. Step 3: Cross multiply
    35,837.28x = 49,455 × 19,921.32
  4. Step 4: Simplify right side
    35,837.28x = 985,208,880.60
  5. Step 5: Solve for x
    x = 985,208,880.60/35,837.28
  6. Step 6: Final answer
    x = 27,491.17

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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.