Home / 30,389.65-45,561.23-25,108.04

Finding the Fourth Proportional to 30,389.65, 45,561.23 and 25,108.04

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Solution

The fourth proportional to 30,389.65, 45,561.23 and 25,108.04 is: 37,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.65 : 45,561.23 = 25,108.04 : x
  2. Step 2: Convert to fraction form
    30,389.65/45,561.23 = 25,108.04/x
  3. Step 3: Cross multiply
    30,389.65x = 45,561.23 × 25,108.04
  4. Step 4: Simplify right side
    30,389.65x = 1,143,953,185.29
  5. Step 5: Solve for x
    x = 1,143,953,185.29/30,389.65
  6. Step 6: Final answer
    x = 37,642.86

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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.