Home / 36,561.84-50,453.94-20,430

Finding the Fourth Proportional to 36,561.84, 50,453.94 and 20,430

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Solution

The fourth proportional to 36,561.84, 50,453.94 and 20,430 is: 28,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.84 : 50,453.94 = 20,430 : x
  2. Step 2: Convert to fraction form
    36,561.84/50,453.94 = 20,430/x
  3. Step 3: Cross multiply
    36,561.84x = 50,453.94 × 20,430
  4. Step 4: Simplify right side
    36,561.84x = 1,030,773,994.20
  5. Step 5: Solve for x
    x = 1,030,773,994.20/36,561.84
  6. Step 6: Final answer
    x = 28,192.62

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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.