Home / 50,485.65-75,739.61-15,428.04

Finding the Fourth Proportional to 50,485.65, 75,739.61 and 15,428.04

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Solution

The fourth proportional to 50,485.65, 75,739.61 and 15,428.04 is: 23,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.65 : 75,739.61 = 15,428.04 : x
  2. Step 2: Convert to fraction form
    50,485.65/75,739.61 = 15,428.04/x
  3. Step 3: Cross multiply
    50,485.65x = 75,739.61 × 15,428.04
  4. Step 4: Simplify right side
    50,485.65x = 1,168,513,732.66
  5. Step 5: Solve for x
    x = 1,168,513,732.66/50,485.65
  6. Step 6: Final answer
    x = 23,145.46

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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.