Home / 63,289.92-94,899.35-21,147.80

Finding the Fourth Proportional to 63,289.92, 94,899.35 and 21,147.80

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Solution

The fourth proportional to 63,289.92, 94,899.35 and 21,147.80 is: 31,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.92 : 94,899.35 = 21,147.80 : x
  2. Step 2: Convert to fraction form
    63,289.92/94,899.35 = 21,147.80/x
  3. Step 3: Cross multiply
    63,289.92x = 94,899.35 × 21,147.80
  4. Step 4: Simplify right side
    63,289.92x = 2,006,911,893.69
  5. Step 5: Solve for x
    x = 2,006,911,893.69/63,289.92
  6. Step 6: Final answer
    x = 31,709.82

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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.