Home / 43,384.86-65,079.57-12,222.54

Finding the Fourth Proportional to 43,384.86, 65,079.57 and 12,222.54

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Solution

The fourth proportional to 43,384.86, 65,079.57 and 12,222.54 is: 18,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.86 : 65,079.57 = 12,222.54 : x
  2. Step 2: Convert to fraction form
    43,384.86/65,079.57 = 12,222.54/x
  3. Step 3: Cross multiply
    43,384.86x = 65,079.57 × 12,222.54
  4. Step 4: Simplify right side
    43,384.86x = 795,437,647.51
  5. Step 5: Solve for x
    x = 795,437,647.51/43,384.86
  6. Step 6: Final answer
    x = 18,334.45

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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.