Home / 30,454.65-45,632.57-15,642.99

Finding the Fourth Proportional to 30,454.65, 45,632.57 and 15,642.99

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Solution

The fourth proportional to 30,454.65, 45,632.57 and 15,642.99 is: 23,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.65 : 45,632.57 = 15,642.99 : x
  2. Step 2: Convert to fraction form
    30,454.65/45,632.57 = 15,642.99/x
  3. Step 3: Cross multiply
    30,454.65x = 45,632.57 × 15,642.99
  4. Step 4: Simplify right side
    30,454.65x = 713,829,757.97
  5. Step 5: Solve for x
    x = 713,829,757.97/30,454.65
  6. Step 6: Final answer
    x = 23,439.11

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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.