Home / 38,444.08-53,052.68-20,780.08

Finding the Fourth Proportional to 38,444.08, 53,052.68 and 20,780.08

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Solution

The fourth proportional to 38,444.08, 53,052.68 and 20,780.08 is: 28,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.08 : 53,052.68 = 20,780.08 : x
  2. Step 2: Convert to fraction form
    38,444.08/53,052.68 = 20,780.08/x
  3. Step 3: Cross multiply
    38,444.08x = 53,052.68 × 20,780.08
  4. Step 4: Simplify right side
    38,444.08x = 1,102,438,934.61
  5. Step 5: Solve for x
    x = 1,102,438,934.61/38,444.08
  6. Step 6: Final answer
    x = 28,676.43

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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.