Home / 30,682.81-46,019.00-8,490.99

Finding the Fourth Proportional to 30,682.81, 46,019.00 and 8,490.99

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Solution

The fourth proportional to 30,682.81, 46,019.00 and 8,490.99 is: 12,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.81 : 46,019.00 = 8,490.99 : x
  2. Step 2: Convert to fraction form
    30,682.81/46,019.00 = 8,490.99/x
  3. Step 3: Cross multiply
    30,682.81x = 46,019.00 × 8,490.99
  4. Step 4: Simplify right side
    30,682.81x = 390,746,832.64
  5. Step 5: Solve for x
    x = 390,746,832.64/30,682.81
  6. Step 6: Final answer
    x = 12,735.04

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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.