Home / 38,023.81-52,474.58-21,256.81

Finding the Fourth Proportional to 38,023.81, 52,474.58 and 21,256.81

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Solution

The fourth proportional to 38,023.81, 52,474.58 and 21,256.81 is: 29,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.81 : 52,474.58 = 21,256.81 : x
  2. Step 2: Convert to fraction form
    38,023.81/52,474.58 = 21,256.81/x
  3. Step 3: Cross multiply
    38,023.81x = 52,474.58 × 21,256.81
  4. Step 4: Simplify right side
    38,023.81x = 1,115,442,176.89
  5. Step 5: Solve for x
    x = 1,115,442,176.89/38,023.81
  6. Step 6: Final answer
    x = 29,335.36

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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.