Home / 34,645.69-47,810.91-18,730.14

Finding the Fourth Proportional to 34,645.69, 47,810.91 and 18,730.14

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Solution

The fourth proportional to 34,645.69, 47,810.91 and 18,730.14 is: 25,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.69 : 47,810.91 = 18,730.14 : x
  2. Step 2: Convert to fraction form
    34,645.69/47,810.91 = 18,730.14/x
  3. Step 3: Cross multiply
    34,645.69x = 47,810.91 × 18,730.14
  4. Step 4: Simplify right side
    34,645.69x = 895,505,037.83
  5. Step 5: Solve for x
    x = 895,505,037.83/34,645.69
  6. Step 6: Final answer
    x = 25,847.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.