Home / 45,816.36-68,739.12-22,430.04

Finding the Fourth Proportional to 45,816.36, 68,739.12 and 22,430.04

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Solution

The fourth proportional to 45,816.36, 68,739.12 and 22,430.04 is: 33,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.36 : 68,739.12 = 22,430.04 : x
  2. Step 2: Convert to fraction form
    45,816.36/68,739.12 = 22,430.04/x
  3. Step 3: Cross multiply
    45,816.36x = 68,739.12 × 22,430.04
  4. Step 4: Simplify right side
    45,816.36x = 1,541,821,211.16
  5. Step 5: Solve for x
    x = 1,541,821,211.16/45,816.36
  6. Step 6: Final answer
    x = 33,652.20

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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.