Home / 43,379.04-65,062.80-12,216.72

Finding the Fourth Proportional to 43,379.04, 65,062.80 and 12,216.72

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Solution

The fourth proportional to 43,379.04, 65,062.80 and 12,216.72 is: 18,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,379.04 : 65,062.80 = 12,216.72 : x
  2. Step 2: Convert to fraction form
    43,379.04/65,062.80 = 12,216.72/x
  3. Step 3: Cross multiply
    43,379.04x = 65,062.80 × 12,216.72
  4. Step 4: Simplify right side
    43,379.04x = 794,854,010.02
  5. Step 5: Solve for x
    x = 794,854,010.02/43,379.04
  6. Step 6: Final answer
    x = 18,323.46

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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.