Home / 30,290.24-41,799.98-16,861.40

Finding the Fourth Proportional to 30,290.24, 41,799.98 and 16,861.40

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Solution

The fourth proportional to 30,290.24, 41,799.98 and 16,861.40 is: 23,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.24 : 41,799.98 = 16,861.40 : x
  2. Step 2: Convert to fraction form
    30,290.24/41,799.98 = 16,861.40/x
  3. Step 3: Cross multiply
    30,290.24x = 41,799.98 × 16,861.40
  4. Step 4: Simplify right side
    30,290.24x = 704,806,182.77
  5. Step 5: Solve for x
    x = 704,806,182.77/30,290.24
  6. Step 6: Final answer
    x = 23,268.43

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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.