Home / 30,804.05-42,516.23-19,466.35

Finding the Fourth Proportional to 30,804.05, 42,516.23 and 19,466.35

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Solution

The fourth proportional to 30,804.05, 42,516.23 and 19,466.35 is: 26,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.05 : 42,516.23 = 19,466.35 : x
  2. Step 2: Convert to fraction form
    30,804.05/42,516.23 = 19,466.35/x
  3. Step 3: Cross multiply
    30,804.05x = 42,516.23 × 19,466.35
  4. Step 4: Simplify right side
    30,804.05x = 827,635,610.24
  5. Step 5: Solve for x
    x = 827,635,610.24/30,804.05
  6. Step 6: Final answer
    x = 26,867.75

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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.