Home / 29,641.09-40,902.22-16,719.65

Finding the Fourth Proportional to 29,641.09, 40,902.22 and 16,719.65

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Solution

The fourth proportional to 29,641.09, 40,902.22 and 16,719.65 is: 23,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.09 : 40,902.22 = 16,719.65 : x
  2. Step 2: Convert to fraction form
    29,641.09/40,902.22 = 16,719.65/x
  3. Step 3: Cross multiply
    29,641.09x = 40,902.22 × 16,719.65
  4. Step 4: Simplify right side
    29,641.09x = 683,870,802.62
  5. Step 5: Solve for x
    x = 683,870,802.62/29,641.09
  6. Step 6: Final answer
    x = 23,071.72

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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.