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Finding the Fourth Proportional to 63,565.36, 87,723.24 and 35,271.28

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Solution

The fourth proportional to 63,565.36, 87,723.24 and 35,271.28 is: 48,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.36 : 87,723.24 = 35,271.28 : x
  2. Step 2: Convert to fraction form
    63,565.36/87,723.24 = 35,271.28/x
  3. Step 3: Cross multiply
    63,565.36x = 87,723.24 × 35,271.28
  4. Step 4: Simplify right side
    63,565.36x = 3,094,110,960.55
  5. Step 5: Solve for x
    x = 3,094,110,960.55/63,565.36
  6. Step 6: Final answer
    x = 48,676.06

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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.