Home / 30,852.73-42,576.33-17,428.30

Finding the Fourth Proportional to 30,852.73, 42,576.33 and 17,428.30

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Solution

The fourth proportional to 30,852.73, 42,576.33 and 17,428.30 is: 24,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.73 : 42,576.33 = 17,428.30 : x
  2. Step 2: Convert to fraction form
    30,852.73/42,576.33 = 17,428.30/x
  3. Step 3: Cross multiply
    30,852.73x = 42,576.33 × 17,428.30
  4. Step 4: Simplify right side
    30,852.73x = 742,033,011.05
  5. Step 5: Solve for x
    x = 742,033,011.05/30,852.73
  6. Step 6: Final answer
    x = 24,050.80

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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.