Home / 30,819.22-46,238.10-13,040.71

Finding the Fourth Proportional to 30,819.22, 46,238.10 and 13,040.71

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Solution

The fourth proportional to 30,819.22, 46,238.10 and 13,040.71 is: 19,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819.22 : 46,238.10 = 13,040.71 : x
  2. Step 2: Convert to fraction form
    30,819.22/46,238.10 = 13,040.71/x
  3. Step 3: Cross multiply
    30,819.22x = 46,238.10 × 13,040.71
  4. Step 4: Simplify right side
    30,819.22x = 602,977,653.05
  5. Step 5: Solve for x
    x = 602,977,653.05/30,819.22
  6. Step 6: Final answer
    x = 19,564.99

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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.