Home / 30,680.92-46,011.42-9,899.56

Finding the Fourth Proportional to 30,680.92, 46,011.42 and 9,899.56

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Solution

The fourth proportional to 30,680.92, 46,011.42 and 9,899.56 is: 14,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.92 : 46,011.42 = 9,899.56 : x
  2. Step 2: Convert to fraction form
    30,680.92/46,011.42 = 9,899.56/x
  3. Step 3: Cross multiply
    30,680.92x = 46,011.42 × 9,899.56
  4. Step 4: Simplify right side
    30,680.92x = 455,492,812.98
  5. Step 5: Solve for x
    x = 455,492,812.98/30,680.92
  6. Step 6: Final answer
    x = 14,846.13

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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.