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Finding the Fourth Proportional to 63,602.30, 95,405.47 and 31,995.08

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Solution

The fourth proportional to 63,602.30, 95,405.47 and 31,995.08 is: 47,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,602.30 : 95,405.47 = 31,995.08 : x
  2. Step 2: Convert to fraction form
    63,602.30/95,405.47 = 31,995.08/x
  3. Step 3: Cross multiply
    63,602.30x = 95,405.47 × 31,995.08
  4. Step 4: Simplify right side
    63,602.30x = 3,052,505,922.87
  5. Step 5: Solve for x
    x = 3,052,505,922.87/63,602.30
  6. Step 6: Final answer
    x = 47,993.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.