Home / 47,539.90-65,584.46-28,666.54

Finding the Fourth Proportional to 47,539.90, 65,584.46 and 28,666.54

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Solution

The fourth proportional to 47,539.90, 65,584.46 and 28,666.54 is: 39,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,539.90 : 65,584.46 = 28,666.54 : x
  2. Step 2: Convert to fraction form
    47,539.90/65,584.46 = 28,666.54/x
  3. Step 3: Cross multiply
    47,539.90x = 65,584.46 × 28,666.54
  4. Step 4: Simplify right side
    47,539.90x = 1,880,079,545.97
  5. Step 5: Solve for x
    x = 1,880,079,545.97/47,539.90
  6. Step 6: Final answer
    x = 39,547.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.