Home / 36,401.10-50,225.77-21,290.81

Finding the Fourth Proportional to 36,401.10, 50,225.77 and 21,290.81

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Solution

The fourth proportional to 36,401.10, 50,225.77 and 21,290.81 is: 29,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.10 : 50,225.77 = 21,290.81 : x
  2. Step 2: Convert to fraction form
    36,401.10/50,225.77 = 21,290.81/x
  3. Step 3: Cross multiply
    36,401.10x = 50,225.77 × 21,290.81
  4. Step 4: Simplify right side
    36,401.10x = 1,069,347,326.17
  5. Step 5: Solve for x
    x = 1,069,347,326.17/36,401.10
  6. Step 6: Final answer
    x = 29,376.79

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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.