Home / 43,808.41-65,711.67-12,217.63

Finding the Fourth Proportional to 43,808.41, 65,711.67 and 12,217.63

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Solution

The fourth proportional to 43,808.41, 65,711.67 and 12,217.63 is: 18,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,808.41 : 65,711.67 = 12,217.63 : x
  2. Step 2: Convert to fraction form
    43,808.41/65,711.67 = 12,217.63/x
  3. Step 3: Cross multiply
    43,808.41x = 65,711.67 × 12,217.63
  4. Step 4: Simplify right side
    43,808.41x = 802,840,870.74
  5. Step 5: Solve for x
    x = 802,840,870.74/43,808.41
  6. Step 6: Final answer
    x = 18,326.18

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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.