Home / 30,849.90-42,576.84-17,424.60

Finding the Fourth Proportional to 30,849.90, 42,576.84 and 17,424.60

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Solution

The fourth proportional to 30,849.90, 42,576.84 and 17,424.60 is: 24,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.90 : 42,576.84 = 17,424.60 : x
  2. Step 2: Convert to fraction form
    30,849.90/42,576.84 = 17,424.60/x
  3. Step 3: Cross multiply
    30,849.90x = 42,576.84 × 17,424.60
  4. Step 4: Simplify right side
    30,849.90x = 741,884,406.26
  5. Step 5: Solve for x
    x = 741,884,406.26/30,849.90
  6. Step 6: Final answer
    x = 24,048.19

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Similar ratio
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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.