Home / 36,518.08-50,398.80-21,411.38

Finding the Fourth Proportional to 36,518.08, 50,398.80 and 21,411.38

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Solution

The fourth proportional to 36,518.08, 50,398.80 and 21,411.38 is: 29,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.08 : 50,398.80 = 21,411.38 : x
  2. Step 2: Convert to fraction form
    36,518.08/50,398.80 = 21,411.38/x
  3. Step 3: Cross multiply
    36,518.08x = 50,398.80 × 21,411.38
  4. Step 4: Simplify right side
    36,518.08x = 1,079,107,858.34
  5. Step 5: Solve for x
    x = 1,079,107,858.34/36,518.08
  6. Step 6: Final answer
    x = 29,549.96

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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.