Home / 38,218.94-52,740.36-21,224.26

Finding the Fourth Proportional to 38,218.94, 52,740.36 and 21,224.26

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Solution

The fourth proportional to 38,218.94, 52,740.36 and 21,224.26 is: 29,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.94 : 52,740.36 = 21,224.26 : x
  2. Step 2: Convert to fraction form
    38,218.94/52,740.36 = 21,224.26/x
  3. Step 3: Cross multiply
    38,218.94x = 52,740.36 × 21,224.26
  4. Step 4: Simplify right side
    38,218.94x = 1,119,374,901.69
  5. Step 5: Solve for x
    x = 1,119,374,901.69/38,218.94
  6. Step 6: Final answer
    x = 29,288.49

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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.