Home / 38,001.64-52,443.30-21,235.72

Finding the Fourth Proportional to 38,001.64, 52,443.30 and 21,235.72

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Solution

The fourth proportional to 38,001.64, 52,443.30 and 21,235.72 is: 29,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.64 : 52,443.30 = 21,235.72 : x
  2. Step 2: Convert to fraction form
    38,001.64/52,443.30 = 21,235.72/x
  3. Step 3: Cross multiply
    38,001.64x = 52,443.30 × 21,235.72
  4. Step 4: Simplify right side
    38,001.64x = 1,113,671,234.68
  5. Step 5: Solve for x
    x = 1,113,671,234.68/38,001.64
  6. Step 6: Final answer
    x = 29,305.87

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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.