Home / 29,355.21-40,532.37-18,040.32

Finding the Fourth Proportional to 29,355.21, 40,532.37 and 18,040.32

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Solution

The fourth proportional to 29,355.21, 40,532.37 and 18,040.32 is: 24,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.21 : 40,532.37 = 18,040.32 : x
  2. Step 2: Convert to fraction form
    29,355.21/40,532.37 = 18,040.32/x
  3. Step 3: Cross multiply
    29,355.21x = 40,532.37 × 18,040.32
  4. Step 4: Simplify right side
    29,355.21x = 731,216,925.16
  5. Step 5: Solve for x
    x = 731,216,925.16/29,355.21
  6. Step 6: Final answer
    x = 24,909.27

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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.