Home / 30,715.96-46,065.42-13,181.89

Finding the Fourth Proportional to 30,715.96, 46,065.42 and 13,181.89

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Solution

The fourth proportional to 30,715.96, 46,065.42 and 13,181.89 is: 19,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715.96 : 46,065.42 = 13,181.89 : x
  2. Step 2: Convert to fraction form
    30,715.96/46,065.42 = 13,181.89/x
  3. Step 3: Cross multiply
    30,715.96x = 46,065.42 × 13,181.89
  4. Step 4: Simplify right side
    30,715.96x = 607,229,299.24
  5. Step 5: Solve for x
    x = 607,229,299.24/30,715.96
  6. Step 6: Final answer
    x = 19,769.18

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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.