Home / 36,171.84-49,915.68-21,064.96

Finding the Fourth Proportional to 36,171.84, 49,915.68 and 21,064.96

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Solution

The fourth proportional to 36,171.84, 49,915.68 and 21,064.96 is: 29,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.84 : 49,915.68 = 21,064.96 : x
  2. Step 2: Convert to fraction form
    36,171.84/49,915.68 = 21,064.96/x
  3. Step 3: Cross multiply
    36,171.84x = 49,915.68 × 21,064.96
  4. Step 4: Simplify right side
    36,171.84x = 1,051,471,802.57
  5. Step 5: Solve for x
    x = 1,051,471,802.57/36,171.84
  6. Step 6: Final answer
    x = 29,068.80

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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.