Home / 38,249.15-52,783.65-21,256.16

Finding the Fourth Proportional to 38,249.15, 52,783.65 and 21,256.16

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Solution

The fourth proportional to 38,249.15, 52,783.65 and 21,256.16 is: 29,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.15 : 52,783.65 = 21,256.16 : x
  2. Step 2: Convert to fraction form
    38,249.15/52,783.65 = 21,256.16/x
  3. Step 3: Cross multiply
    38,249.15x = 52,783.65 × 21,256.16
  4. Step 4: Simplify right side
    38,249.15x = 1,121,977,445.87
  5. Step 5: Solve for x
    x = 1,121,977,445.87/38,249.15
  6. Step 6: Final answer
    x = 29,333.40

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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.