Home / 30,818.92-46,142.46-19,698.16

Finding the Fourth Proportional to 30,818.92, 46,142.46 and 19,698.16

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Solution

The fourth proportional to 30,818.92, 46,142.46 and 19,698.16 is: 29,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.92 : 46,142.46 = 19,698.16 : x
  2. Step 2: Convert to fraction form
    30,818.92/46,142.46 = 19,698.16/x
  3. Step 3: Cross multiply
    30,818.92x = 46,142.46 × 19,698.16
  4. Step 4: Simplify right side
    30,818.92x = 908,921,559.87
  5. Step 5: Solve for x
    x = 908,921,559.87/30,818.92
  6. Step 6: Final answer
    x = 29,492.32

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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.