Home / 43,470.64-65,205.93-12,305.89

Finding the Fourth Proportional to 43,470.64, 65,205.93 and 12,305.89

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Solution

The fourth proportional to 43,470.64, 65,205.93 and 12,305.89 is: 18,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.64 : 65,205.93 = 12,305.89 : x
  2. Step 2: Convert to fraction form
    43,470.64/65,205.93 = 12,305.89/x
  3. Step 3: Cross multiply
    43,470.64x = 65,205.93 × 12,305.89
  4. Step 4: Simplify right side
    43,470.64x = 802,417,001.93
  5. Step 5: Solve for x
    x = 802,417,001.93/43,470.64
  6. Step 6: Final answer
    x = 18,458.83

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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.