Home / 30,880.21-46,323.05-8,693.78

Finding the Fourth Proportional to 30,880.21, 46,323.05 and 8,693.78

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Solution

The fourth proportional to 30,880.21, 46,323.05 and 8,693.78 is: 13,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.21 : 46,323.05 = 8,693.78 : x
  2. Step 2: Convert to fraction form
    30,880.21/46,323.05 = 8,693.78/x
  3. Step 3: Cross multiply
    30,880.21x = 46,323.05 × 8,693.78
  4. Step 4: Simplify right side
    30,880.21x = 402,722,452.24
  5. Step 5: Solve for x
    x = 402,722,452.24/30,880.21
  6. Step 6: Final answer
    x = 13,041.44

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1.5x scale

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.