Home / 30,866.44-42,593.24-17,438.88

Finding the Fourth Proportional to 30,866.44, 42,593.24 and 17,438.88

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Solution

The fourth proportional to 30,866.44, 42,593.24 and 17,438.88 is: 24,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.44 : 42,593.24 = 17,438.88 : x
  2. Step 2: Convert to fraction form
    30,866.44/42,593.24 = 17,438.88/x
  3. Step 3: Cross multiply
    30,866.44x = 42,593.24 × 17,438.88
  4. Step 4: Simplify right side
    30,866.44x = 742,778,401.17
  5. Step 5: Solve for x
    x = 742,778,401.17/30,866.44
  6. Step 6: Final answer
    x = 24,064.27

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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.