Home / 43,600.16-65,400.24-12,435.52

Finding the Fourth Proportional to 43,600.16, 65,400.24 and 12,435.52

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Solution

The fourth proportional to 43,600.16, 65,400.24 and 12,435.52 is: 18,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.16 : 65,400.24 = 12,435.52 : x
  2. Step 2: Convert to fraction form
    43,600.16/65,400.24 = 12,435.52/x
  3. Step 3: Cross multiply
    43,600.16x = 65,400.24 × 12,435.52
  4. Step 4: Simplify right side
    43,600.16x = 813,285,992.52
  5. Step 5: Solve for x
    x = 813,285,992.52/43,600.16
  6. Step 6: Final answer
    x = 18,653.28

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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.