Home / 36,534.84-50,401.62-21,428.40

Finding the Fourth Proportional to 36,534.84, 50,401.62 and 21,428.40

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Solution

The fourth proportional to 36,534.84, 50,401.62 and 21,428.40 is: 29,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,534.84 : 50,401.62 = 21,428.40 : x
  2. Step 2: Convert to fraction form
    36,534.84/50,401.62 = 21,428.40/x
  3. Step 3: Cross multiply
    36,534.84x = 50,401.62 × 21,428.40
  4. Step 4: Simplify right side
    36,534.84x = 1,080,026,074.01
  5. Step 5: Solve for x
    x = 1,080,026,074.01/36,534.84
  6. Step 6: Final answer
    x = 29,561.54

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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.