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Finding the Fourth Proportional to 36,158.69, 49,905.90 and 21,053.67

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Solution

The fourth proportional to 36,158.69, 49,905.90 and 21,053.67 is: 29,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.69 : 49,905.90 = 21,053.67 : x
  2. Step 2: Convert to fraction form
    36,158.69/49,905.90 = 21,053.67/x
  3. Step 3: Cross multiply
    36,158.69x = 49,905.90 × 21,053.67
  4. Step 4: Simplify right side
    36,158.69x = 1,050,702,349.65
  5. Step 5: Solve for x
    x = 1,050,702,349.65/36,158.69
  6. Step 6: Final answer
    x = 29,058.09

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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.