Home / 32,765.94-45,211.12-18,421.65

Finding the Fourth Proportional to 32,765.94, 45,211.12 and 18,421.65

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Solution

The fourth proportional to 32,765.94, 45,211.12 and 18,421.65 is: 25,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,765.94 : 45,211.12 = 18,421.65 : x
  2. Step 2: Convert to fraction form
    32,765.94/45,211.12 = 18,421.65/x
  3. Step 3: Cross multiply
    32,765.94x = 45,211.12 × 18,421.65
  4. Step 4: Simplify right side
    32,765.94x = 832,863,382.69
  5. Step 5: Solve for x
    x = 832,863,382.69/32,765.94
  6. Step 6: Final answer
    x = 25,418.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.