Home / 29,346.44-40,442.10-20,948.36

Finding the Fourth Proportional to 29,346.44, 40,442.10 and 20,948.36

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Solution

The fourth proportional to 29,346.44, 40,442.10 and 20,948.36 is: 28,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.44 : 40,442.10 = 20,948.36 : x
  2. Step 2: Convert to fraction form
    29,346.44/40,442.10 = 20,948.36/x
  3. Step 3: Cross multiply
    29,346.44x = 40,442.10 × 20,948.36
  4. Step 4: Simplify right side
    29,346.44x = 847,195,669.96
  5. Step 5: Solve for x
    x = 847,195,669.96/29,346.44
  6. Step 6: Final answer
    x = 28,868.77

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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.