Home / 47,538.65-65,582.74-28,665.29

Finding the Fourth Proportional to 47,538.65, 65,582.74 and 28,665.29

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Solution

The fourth proportional to 47,538.65, 65,582.74 and 28,665.29 is: 39,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,538.65 : 65,582.74 = 28,665.29 : x
  2. Step 2: Convert to fraction form
    47,538.65/65,582.74 = 28,665.29/x
  3. Step 3: Cross multiply
    47,538.65x = 65,582.74 × 28,665.29
  4. Step 4: Simplify right side
    47,538.65x = 1,879,948,261.09
  5. Step 5: Solve for x
    x = 1,879,948,261.09/47,538.65
  6. Step 6: Final answer
    x = 39,545.68

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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.