Home / 38,249.10-52,783.71-21,254.93

Finding the Fourth Proportional to 38,249.10, 52,783.71 and 21,254.93

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Solution

The fourth proportional to 38,249.10, 52,783.71 and 21,254.93 is: 29,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.10 : 52,783.71 = 21,254.93 : x
  2. Step 2: Convert to fraction form
    38,249.10/52,783.71 = 21,254.93/x
  3. Step 3: Cross multiply
    38,249.10x = 52,783.71 × 21,254.93
  4. Step 4: Simplify right side
    38,249.10x = 1,121,914,061.19
  5. Step 5: Solve for x
    x = 1,121,914,061.19/38,249.10
  6. Step 6: Final answer
    x = 29,331.78

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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.