Home / 30,930.24-42,683.32-17,504.16

Finding the Fourth Proportional to 30,930.24, 42,683.32 and 17,504.16

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Solution

The fourth proportional to 30,930.24, 42,683.32 and 17,504.16 is: 24,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.24 : 42,683.32 = 17,504.16 : x
  2. Step 2: Convert to fraction form
    30,930.24/42,683.32 = 17,504.16/x
  3. Step 3: Cross multiply
    30,930.24x = 42,683.32 × 17,504.16
  4. Step 4: Simplify right side
    30,930.24x = 747,135,662.61
  5. Step 5: Solve for x
    x = 747,135,662.61/30,930.24
  6. Step 6: Final answer
    x = 24,155.51

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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.