Home / 29,242.56-40,408.16-20,844.48

Finding the Fourth Proportional to 29,242.56, 40,408.16 and 20,844.48

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Solution

The fourth proportional to 29,242.56, 40,408.16 and 20,844.48 is: 28,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.56 : 40,408.16 = 20,844.48 : x
  2. Step 2: Convert to fraction form
    29,242.56/40,408.16 = 20,844.48/x
  3. Step 3: Cross multiply
    29,242.56x = 40,408.16 × 20,844.48
  4. Step 4: Simplify right side
    29,242.56x = 842,287,082.96
  5. Step 5: Solve for x
    x = 842,287,082.96/29,242.56
  6. Step 6: Final answer
    x = 28,803.47

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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.