Home / 29,381.09-40,532.69-19,817.84

Finding the Fourth Proportional to 29,381.09, 40,532.69 and 19,817.84

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Solution

The fourth proportional to 29,381.09, 40,532.69 and 19,817.84 is: 27,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.09 : 40,532.69 = 19,817.84 : x
  2. Step 2: Convert to fraction form
    29,381.09/40,532.69 = 19,817.84/x
  3. Step 3: Cross multiply
    29,381.09x = 40,532.69 × 19,817.84
  4. Step 4: Simplify right side
    29,381.09x = 803,270,516.07
  5. Step 5: Solve for x
    x = 803,270,516.07/29,381.09
  6. Step 6: Final answer
    x = 27,339.72

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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.