Home / 43,632.98-65,448.06-12,468.20

Finding the Fourth Proportional to 43,632.98, 65,448.06 and 12,468.20

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Solution

The fourth proportional to 43,632.98, 65,448.06 and 12,468.20 is: 18,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,632.98 : 65,448.06 = 12,468.20 : x
  2. Step 2: Convert to fraction form
    43,632.98/65,448.06 = 12,468.20/x
  3. Step 3: Cross multiply
    43,632.98x = 65,448.06 × 12,468.20
  4. Step 4: Simplify right side
    43,632.98x = 816,019,501.69
  5. Step 5: Solve for x
    x = 816,019,501.69/43,632.98
  6. Step 6: Final answer
    x = 18,701.90

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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.