Home / 45,491.51-68,247.63-13,906.05

Finding the Fourth Proportional to 45,491.51, 68,247.63 and 13,906.05

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Solution

The fourth proportional to 45,491.51, 68,247.63 and 13,906.05 is: 20,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.51 : 68,247.63 = 13,906.05 : x
  2. Step 2: Convert to fraction form
    45,491.51/68,247.63 = 13,906.05/x
  3. Step 3: Cross multiply
    45,491.51x = 68,247.63 × 13,906.05
  4. Step 4: Simplify right side
    45,491.51x = 949,054,955.16
  5. Step 5: Solve for x
    x = 949,054,955.16/45,491.51
  6. Step 6: Final answer
    x = 20,862.25

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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.