Home / 63,712.20-95,580.39-21,020.22

Finding the Fourth Proportional to 63,712.20, 95,580.39 and 21,020.22

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Solution

The fourth proportional to 63,712.20, 95,580.39 and 21,020.22 is: 31,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.20 : 95,580.39 = 21,020.22 : x
  2. Step 2: Convert to fraction form
    63,712.20/95,580.39 = 21,020.22/x
  3. Step 3: Cross multiply
    63,712.20x = 95,580.39 × 21,020.22
  4. Step 4: Simplify right side
    63,712.20x = 2,009,120,825.49
  5. Step 5: Solve for x
    x = 2,009,120,825.49/63,712.20
  6. Step 6: Final answer
    x = 31,534.32

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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.