Home / 38,023.68-52,471.36-21,256.64

Finding the Fourth Proportional to 38,023.68, 52,471.36 and 21,256.64

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Solution

The fourth proportional to 38,023.68, 52,471.36 and 21,256.64 is: 29,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.68 : 52,471.36 = 21,256.64 : x
  2. Step 2: Convert to fraction form
    38,023.68/52,471.36 = 21,256.64/x
  3. Step 3: Cross multiply
    38,023.68x = 52,471.36 × 21,256.64
  4. Step 4: Simplify right side
    38,023.68x = 1,115,364,809.83
  5. Step 5: Solve for x
    x = 1,115,364,809.83/38,023.68
  6. Step 6: Final answer
    x = 29,333.43

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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.