Home / 63,144.72-94,685.40-21,009.96

Finding the Fourth Proportional to 63,144.72, 94,685.40 and 21,009.96

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Solution

The fourth proportional to 63,144.72, 94,685.40 and 21,009.96 is: 31,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,144.72 : 94,685.40 = 21,009.96 : x
  2. Step 2: Convert to fraction form
    63,144.72/94,685.40 = 21,009.96/x
  3. Step 3: Cross multiply
    63,144.72x = 94,685.40 × 21,009.96
  4. Step 4: Simplify right side
    63,144.72x = 1,989,336,466.58
  5. Step 5: Solve for x
    x = 1,989,336,466.58/63,144.72
  6. Step 6: Final answer
    x = 31,504.40

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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.