Home / 29,478.04-40,540.26-23,438.68

Finding the Fourth Proportional to 29,478.04, 40,540.26 and 23,438.68

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Solution

The fourth proportional to 29,478.04, 40,540.26 and 23,438.68 is: 32,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.04 : 40,540.26 = 23,438.68 : x
  2. Step 2: Convert to fraction form
    29,478.04/40,540.26 = 23,438.68/x
  3. Step 3: Cross multiply
    29,478.04x = 40,540.26 × 23,438.68
  4. Step 4: Simplify right side
    29,478.04x = 950,210,181.26
  5. Step 5: Solve for x
    x = 950,210,181.26/29,478.04
  6. Step 6: Final answer
    x = 32,234.51

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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.