Home / 30,597.39-42,226.56-16,986.15

Finding the Fourth Proportional to 30,597.39, 42,226.56 and 16,986.15

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Solution

The fourth proportional to 30,597.39, 42,226.56 and 16,986.15 is: 23,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.39 : 42,226.56 = 16,986.15 : x
  2. Step 2: Convert to fraction form
    30,597.39/42,226.56 = 16,986.15/x
  3. Step 3: Cross multiply
    30,597.39x = 42,226.56 × 16,986.15
  4. Step 4: Simplify right side
    30,597.39x = 717,266,682.14
  5. Step 5: Solve for x
    x = 717,266,682.14/30,597.39
  6. Step 6: Final answer
    x = 23,442.09

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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.