Home / 36,113.61-49,815.90-21,763.65

Finding the Fourth Proportional to 36,113.61, 49,815.90 and 21,763.65

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Solution

The fourth proportional to 36,113.61, 49,815.90 and 21,763.65 is: 30,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.61 : 49,815.90 = 21,763.65 : x
  2. Step 2: Convert to fraction form
    36,113.61/49,815.90 = 21,763.65/x
  3. Step 3: Cross multiply
    36,113.61x = 49,815.90 × 21,763.65
  4. Step 4: Simplify right side
    36,113.61x = 1,084,175,812.04
  5. Step 5: Solve for x
    x = 1,084,175,812.04/36,113.61
  6. Step 6: Final answer
    x = 30,021.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.