Home / 30,860.76-46,310.04-13,330.20

Finding the Fourth Proportional to 30,860.76, 46,310.04 and 13,330.20

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Solution

The fourth proportional to 30,860.76, 46,310.04 and 13,330.20 is: 20,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.76 : 46,310.04 = 13,330.20 : x
  2. Step 2: Convert to fraction form
    30,860.76/46,310.04 = 13,330.20/x
  3. Step 3: Cross multiply
    30,860.76x = 46,310.04 × 13,330.20
  4. Step 4: Simplify right side
    30,860.76x = 617,322,095.21
  5. Step 5: Solve for x
    x = 617,322,095.21/30,860.76
  6. Step 6: Final answer
    x = 20,003.46

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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.