Home / 35,378.24-53,055.72-18,728.96

Finding the Fourth Proportional to 35,378.24, 53,055.72 and 18,728.96

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Solution

The fourth proportional to 35,378.24, 53,055.72 and 18,728.96 is: 28,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.24 : 53,055.72 = 18,728.96 : x
  2. Step 2: Convert to fraction form
    35,378.24/53,055.72 = 18,728.96/x
  3. Step 3: Cross multiply
    35,378.24x = 53,055.72 × 18,728.96
  4. Step 4: Simplify right side
    35,378.24x = 993,678,457.65
  5. Step 5: Solve for x
    x = 993,678,457.65/35,378.24
  6. Step 6: Final answer
    x = 28,087.28

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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.