Home / 38,398.26-52,988.79-21,402.43

Finding the Fourth Proportional to 38,398.26, 52,988.79 and 21,402.43

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Solution

The fourth proportional to 38,398.26, 52,988.79 and 21,402.43 is: 29,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.26 : 52,988.79 = 21,402.43 : x
  2. Step 2: Convert to fraction form
    38,398.26/52,988.79 = 21,402.43/x
  3. Step 3: Cross multiply
    38,398.26x = 52,988.79 × 21,402.43
  4. Step 4: Simplify right side
    38,398.26x = 1,134,089,015.25
  5. Step 5: Solve for x
    x = 1,134,089,015.25/38,398.26
  6. Step 6: Final answer
    x = 29,534.91

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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.