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Finding the Fourth Proportional to 35,663.81, 49,212.06 and 19,744.26

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Solution

The fourth proportional to 35,663.81, 49,212.06 and 19,744.26 is: 27,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.81 : 49,212.06 = 19,744.26 : x
  2. Step 2: Convert to fraction form
    35,663.81/49,212.06 = 19,744.26/x
  3. Step 3: Cross multiply
    35,663.81x = 49,212.06 × 19,744.26
  4. Step 4: Simplify right side
    35,663.81x = 971,655,707.78
  5. Step 5: Solve for x
    x = 971,655,707.78/35,663.81
  6. Step 6: Final answer
    x = 27,244.87

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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.