Home / 30,762.44-42,449.49-17,331.29

Finding the Fourth Proportional to 30,762.44, 42,449.49 and 17,331.29

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Solution

The fourth proportional to 30,762.44, 42,449.49 and 17,331.29 is: 23,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.44 : 42,449.49 = 17,331.29 : x
  2. Step 2: Convert to fraction form
    30,762.44/42,449.49 = 17,331.29/x
  3. Step 3: Cross multiply
    30,762.44x = 42,449.49 × 17,331.29
  4. Step 4: Simplify right side
    30,762.44x = 735,704,209.29
  5. Step 5: Solve for x
    x = 735,704,209.29/30,762.44
  6. Step 6: Final answer
    x = 23,915.67

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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.