Home / 30,880.56-42,616.80-17,452.32

Finding the Fourth Proportional to 30,880.56, 42,616.80 and 17,452.32

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Solution

The fourth proportional to 30,880.56, 42,616.80 and 17,452.32 is: 24,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.56 : 42,616.80 = 17,452.32 : x
  2. Step 2: Convert to fraction form
    30,880.56/42,616.80 = 17,452.32/x
  3. Step 3: Cross multiply
    30,880.56x = 42,616.80 × 17,452.32
  4. Step 4: Simplify right side
    30,880.56x = 743,762,030.98
  5. Step 5: Solve for x
    x = 743,762,030.98/30,880.56
  6. Step 6: Final answer
    x = 24,085.12

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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.