Home / 30,880.42-46,323.36-8,693.99

Finding the Fourth Proportional to 30,880.42, 46,323.36 and 8,693.99

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Solution

The fourth proportional to 30,880.42, 46,323.36 and 8,693.99 is: 13,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.42 : 46,323.36 = 8,693.99 : x
  2. Step 2: Convert to fraction form
    30,880.42/46,323.36 = 8,693.99/x
  3. Step 3: Cross multiply
    30,880.42x = 46,323.36 × 8,693.99
  4. Step 4: Simplify right side
    30,880.42x = 402,734,828.61
  5. Step 5: Solve for x
    x = 402,734,828.61/30,880.42
  6. Step 6: Final answer
    x = 13,041.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.