Home / 30,880.38-46,319.49-13,099.62

Finding the Fourth Proportional to 30,880.38, 46,319.49 and 13,099.62

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Solution

The fourth proportional to 30,880.38, 46,319.49 and 13,099.62 is: 19,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.38 : 46,319.49 = 13,099.62 : x
  2. Step 2: Convert to fraction form
    30,880.38/46,319.49 = 13,099.62/x
  3. Step 3: Cross multiply
    30,880.38x = 46,319.49 × 13,099.62
  4. Step 4: Simplify right side
    30,880.38x = 606,767,717.59
  5. Step 5: Solve for x
    x = 606,767,717.59/30,880.38
  6. Step 6: Final answer
    x = 19,648.97

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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.