Home / 33,434.76-46,139.34-18,327

Finding the Fourth Proportional to 33,434.76, 46,139.34 and 18,327

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Solution

The fourth proportional to 33,434.76, 46,139.34 and 18,327 is: 25,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,434.76 : 46,139.34 = 18,327 : x
  2. Step 2: Convert to fraction form
    33,434.76/46,139.34 = 18,327/x
  3. Step 3: Cross multiply
    33,434.76x = 46,139.34 × 18,327
  4. Step 4: Simplify right side
    33,434.76x = 845,595,684.18
  5. Step 5: Solve for x
    x = 845,595,684.18/33,434.76
  6. Step 6: Final answer
    x = 25,290.92

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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.