Home / 45,424.63-68,139.29-13,832.25

Finding the Fourth Proportional to 45,424.63, 68,139.29 and 13,832.25

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Solution

The fourth proportional to 45,424.63, 68,139.29 and 13,832.25 is: 20,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.63 : 68,139.29 = 13,832.25 : x
  2. Step 2: Convert to fraction form
    45,424.63/68,139.29 = 13,832.25/x
  3. Step 3: Cross multiply
    45,424.63x = 68,139.29 × 13,832.25
  4. Step 4: Simplify right side
    45,424.63x = 942,519,473.16
  5. Step 5: Solve for x
    x = 942,519,473.16/45,424.63
  6. Step 6: Final answer
    x = 20,749.09

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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.