Home / 30,869.24-42,599.32-17,440.25

Finding the Fourth Proportional to 30,869.24, 42,599.32 and 17,440.25

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Solution

The fourth proportional to 30,869.24, 42,599.32 and 17,440.25 is: 24,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.24 : 42,599.32 = 17,440.25 : x
  2. Step 2: Convert to fraction form
    30,869.24/42,599.32 = 17,440.25/x
  3. Step 3: Cross multiply
    30,869.24x = 42,599.32 × 17,440.25
  4. Step 4: Simplify right side
    30,869.24x = 742,942,534.03
  5. Step 5: Solve for x
    x = 742,942,534.03/30,869.24
  6. Step 6: Final answer
    x = 24,067.41

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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.