Home / 35,837.78-49,459.13-19,923.71

Finding the Fourth Proportional to 35,837.78, 49,459.13 and 19,923.71

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Solution

The fourth proportional to 35,837.78, 49,459.13 and 19,923.71 is: 27,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,837.78 : 49,459.13 = 19,923.71 : x
  2. Step 2: Convert to fraction form
    35,837.78/49,459.13 = 19,923.71/x
  3. Step 3: Cross multiply
    35,837.78x = 49,459.13 × 19,923.71
  4. Step 4: Simplify right side
    35,837.78x = 985,409,536.43
  5. Step 5: Solve for x
    x = 985,409,536.43/35,837.78
  6. Step 6: Final answer
    x = 27,496.39

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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.