Home / 38,101.22-52,579.80-21,106.16

Finding the Fourth Proportional to 38,101.22, 52,579.80 and 21,106.16

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Solution

The fourth proportional to 38,101.22, 52,579.80 and 21,106.16 is: 29,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.22 : 52,579.80 = 21,106.16 : x
  2. Step 2: Convert to fraction form
    38,101.22/52,579.80 = 21,106.16/x
  3. Step 3: Cross multiply
    38,101.22x = 52,579.80 × 21,106.16
  4. Step 4: Simplify right side
    38,101.22x = 1,109,757,671.57
  5. Step 5: Solve for x
    x = 1,109,757,671.57/38,101.22
  6. Step 6: Final answer
    x = 29,126.57

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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.