Home / 45,409.41-68,100.28-36,503.63

Finding the Fourth Proportional to 45,409.41, 68,100.28 and 36,503.63

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Solution

The fourth proportional to 45,409.41, 68,100.28 and 36,503.63 is: 54,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409.41 : 68,100.28 = 36,503.63 : x
  2. Step 2: Convert to fraction form
    45,409.41/68,100.28 = 36,503.63/x
  3. Step 3: Cross multiply
    45,409.41x = 68,100.28 × 36,503.63
  4. Step 4: Simplify right side
    45,409.41x = 2,485,907,247.63
  5. Step 5: Solve for x
    x = 2,485,907,247.63/45,409.41
  6. Step 6: Final answer
    x = 54,744.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.