Home / 38,683.65-53,379.43-22,767.15

Finding the Fourth Proportional to 38,683.65, 53,379.43 and 22,767.15

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Solution

The fourth proportional to 38,683.65, 53,379.43 and 22,767.15 is: 31,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,683.65 : 53,379.43 = 22,767.15 : x
  2. Step 2: Convert to fraction form
    38,683.65/53,379.43 = 22,767.15/x
  3. Step 3: Cross multiply
    38,683.65x = 53,379.43 × 22,767.15
  4. Step 4: Simplify right side
    38,683.65x = 1,215,297,432.81
  5. Step 5: Solve for x
    x = 1,215,297,432.81/38,683.65
  6. Step 6: Final answer
    x = 31,416.31

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1.5x scale

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.