Home / 30,903.90-46,348.76-18,427.48

Finding the Fourth Proportional to 30,903.90, 46,348.76 and 18,427.48

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Solution

The fourth proportional to 30,903.90, 46,348.76 and 18,427.48 is: 27,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.90 : 46,348.76 = 18,427.48 : x
  2. Step 2: Convert to fraction form
    30,903.90/46,348.76 = 18,427.48/x
  3. Step 3: Cross multiply
    30,903.90x = 46,348.76 × 18,427.48
  4. Step 4: Simplify right side
    30,903.90x = 854,090,847.92
  5. Step 5: Solve for x
    x = 854,090,847.92/30,903.90
  6. Step 6: Final answer
    x = 27,636.99

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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.