Home / 20,032.90-30,047.04-5,243.24

Finding the Fourth Proportional to 20,032.90, 30,047.04 and 5,243.24

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Solution

The fourth proportional to 20,032.90, 30,047.04 and 5,243.24 is: 7,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.90 : 30,047.04 = 5,243.24 : x
  2. Step 2: Convert to fraction form
    20,032.90/30,047.04 = 5,243.24/x
  3. Step 3: Cross multiply
    20,032.90x = 30,047.04 × 5,243.24
  4. Step 4: Simplify right side
    20,032.90x = 157,543,842.01
  5. Step 5: Solve for x
    x = 157,543,842.01/20,032.90
  6. Step 6: Final answer
    x = 7,864.26

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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.