Home / 30,858.78-42,585.03-17,429.37

Finding the Fourth Proportional to 30,858.78, 42,585.03 and 17,429.37

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Solution

The fourth proportional to 30,858.78, 42,585.03 and 17,429.37 is: 24,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.78 : 42,585.03 = 17,429.37 : x
  2. Step 2: Convert to fraction form
    30,858.78/42,585.03 = 17,429.37/x
  3. Step 3: Cross multiply
    30,858.78x = 42,585.03 × 17,429.37
  4. Step 4: Simplify right side
    30,858.78x = 742,230,244.33
  5. Step 5: Solve for x
    x = 742,230,244.33/30,858.78
  6. Step 6: Final answer
    x = 24,052.48

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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.