Home / 35,837.19-49,453.20-19,921.10

Finding the Fourth Proportional to 35,837.19, 49,453.20 and 19,921.10

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Solution

The fourth proportional to 35,837.19, 49,453.20 and 19,921.10 is: 27,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.19 : 49,453.20 = 19,921.10 : x
  2. Step 2: Convert to fraction form
    35,837.19/49,453.20 = 19,921.10/x
  3. Step 3: Cross multiply
    35,837.19x = 49,453.20 × 19,921.10
  4. Step 4: Simplify right side
    35,837.19x = 985,161,895.25
  5. Step 5: Solve for x
    x = 985,161,895.25/35,837.19
  6. Step 6: Final answer
    x = 27,489.93

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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.