Home / 30,719.62-46,079.45-8,532.99

Finding the Fourth Proportional to 30,719.62, 46,079.45 and 8,532.99

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Solution

The fourth proportional to 30,719.62, 46,079.45 and 8,532.99 is: 12,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.62 : 46,079.45 = 8,532.99 : x
  2. Step 2: Convert to fraction form
    30,719.62/46,079.45 = 8,532.99/x
  3. Step 3: Cross multiply
    30,719.62x = 46,079.45 × 8,532.99
  4. Step 4: Simplify right side
    30,719.62x = 393,195,475.39
  5. Step 5: Solve for x
    x = 393,195,475.39/30,719.62
  6. Step 6: Final answer
    x = 12,799.49

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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.