Home / 30,423.74-45,651.67-21,596.09

Finding the Fourth Proportional to 30,423.74, 45,651.67 and 21,596.09

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Solution

The fourth proportional to 30,423.74, 45,651.67 and 21,596.09 is: 32,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.74 : 45,651.67 = 21,596.09 : x
  2. Step 2: Convert to fraction form
    30,423.74/45,651.67 = 21,596.09/x
  3. Step 3: Cross multiply
    30,423.74x = 45,651.67 × 21,596.09
  4. Step 4: Simplify right side
    30,423.74x = 985,897,291.72
  5. Step 5: Solve for x
    x = 985,897,291.72/30,423.74
  6. Step 6: Final answer
    x = 32,405.53

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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.