Home / 23,678.80-35,342.60-20,502.04

Finding the Fourth Proportional to 23,678.80, 35,342.60 and 20,502.04

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Solution

The fourth proportional to 23,678.80, 35,342.60 and 20,502.04 is: 30,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.80 : 35,342.60 = 20,502.04 : x
  2. Step 2: Convert to fraction form
    23,678.80/35,342.60 = 20,502.04/x
  3. Step 3: Cross multiply
    23,678.80x = 35,342.60 × 20,502.04
  4. Step 4: Simplify right side
    23,678.80x = 724,595,398.90
  5. Step 5: Solve for x
    x = 724,595,398.90/23,678.80
  6. Step 6: Final answer
    x = 30,601.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.