Home / 29,023.30-40,045.16-18,409.06

Finding the Fourth Proportional to 29,023.30, 40,045.16 and 18,409.06

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Solution

The fourth proportional to 29,023.30, 40,045.16 and 18,409.06 is: 25,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.30 : 40,045.16 = 18,409.06 : x
  2. Step 2: Convert to fraction form
    29,023.30/40,045.16 = 18,409.06/x
  3. Step 3: Cross multiply
    29,023.30x = 40,045.16 × 18,409.06
  4. Step 4: Simplify right side
    29,023.30x = 737,193,753.15
  5. Step 5: Solve for x
    x = 737,193,753.15/29,023.30
  6. Step 6: Final answer
    x = 25,400.07

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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.