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Finding the Fourth Proportional to 47,676.12, 65,805.14 and 32,574.89

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Solution

The fourth proportional to 47,676.12, 65,805.14 and 32,574.89 is: 44,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.12 : 65,805.14 = 32,574.89 : x
  2. Step 2: Convert to fraction form
    47,676.12/65,805.14 = 32,574.89/x
  3. Step 3: Cross multiply
    47,676.12x = 65,805.14 × 32,574.89
  4. Step 4: Simplify right side
    47,676.12x = 2,143,594,867.91
  5. Step 5: Solve for x
    x = 2,143,594,867.91/47,676.12
  6. Step 6: Final answer
    x = 44,961.60

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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.