Home / 45,341.76-68,020.92-18,683.04

Finding the Fourth Proportional to 45,341.76, 68,020.92 and 18,683.04

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Solution

The fourth proportional to 45,341.76, 68,020.92 and 18,683.04 is: 28,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,341.76 : 68,020.92 = 18,683.04 : x
  2. Step 2: Convert to fraction form
    45,341.76/68,020.92 = 18,683.04/x
  3. Step 3: Cross multiply
    45,341.76x = 68,020.92 × 18,683.04
  4. Step 4: Simplify right side
    45,341.76x = 1,270,837,569.20
  5. Step 5: Solve for x
    x = 1,270,837,569.20/45,341.76
  6. Step 6: Final answer
    x = 28,027.97

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1.5x scale

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.