Home / 40,408.10-55,759.40-23,412.99

Finding the Fourth Proportional to 40,408.10, 55,759.40 and 23,412.99

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Solution

The fourth proportional to 40,408.10, 55,759.40 and 23,412.99 is: 32,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.10 : 55,759.40 = 23,412.99 : x
  2. Step 2: Convert to fraction form
    40,408.10/55,759.40 = 23,412.99/x
  3. Step 3: Cross multiply
    40,408.10x = 55,759.40 × 23,412.99
  4. Step 4: Simplify right side
    40,408.10x = 1,305,494,274.61
  5. Step 5: Solve for x
    x = 1,305,494,274.61/40,408.10
  6. Step 6: Final answer
    x = 32,307.74

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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.