Home / 39,126.24-53,993.28-21,663.06

Finding the Fourth Proportional to 39,126.24, 53,993.28 and 21,663.06

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Solution

The fourth proportional to 39,126.24, 53,993.28 and 21,663.06 is: 29,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.24 : 53,993.28 = 21,663.06 : x
  2. Step 2: Convert to fraction form
    39,126.24/53,993.28 = 21,663.06/x
  3. Step 3: Cross multiply
    39,126.24x = 53,993.28 × 21,663.06
  4. Step 4: Simplify right side
    39,126.24x = 1,169,659,664.24
  5. Step 5: Solve for x
    x = 1,169,659,664.24/39,126.24
  6. Step 6: Final answer
    x = 29,894.51

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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.