Home / 53,567.90-80,340.32-21,946.96

Finding the Fourth Proportional to 53,567.90, 80,340.32 and 21,946.96

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Solution

The fourth proportional to 53,567.90, 80,340.32 and 21,946.96 is: 32,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,567.90 : 80,340.32 = 21,946.96 : x
  2. Step 2: Convert to fraction form
    53,567.90/80,340.32 = 21,946.96/x
  3. Step 3: Cross multiply
    53,567.90x = 80,340.32 × 21,946.96
  4. Step 4: Simplify right side
    53,567.90x = 1,763,225,789.43
  5. Step 5: Solve for x
    x = 1,763,225,789.43/53,567.90
  6. Step 6: Final answer
    x = 32,915.72

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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.