Home / 29,061.80-43,571.10-12,408.20

Finding the Fourth Proportional to 29,061.80, 43,571.10 and 12,408.20

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Solution

The fourth proportional to 29,061.80, 43,571.10 and 12,408.20 is: 18,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.80 : 43,571.10 = 12,408.20 : x
  2. Step 2: Convert to fraction form
    29,061.80/43,571.10 = 12,408.20/x
  3. Step 3: Cross multiply
    29,061.80x = 43,571.10 × 12,408.20
  4. Step 4: Simplify right side
    29,061.80x = 540,638,923.02
  5. Step 5: Solve for x
    x = 540,638,923.02/29,061.80
  6. Step 6: Final answer
    x = 18,603.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.