Home / 33,870.29-46,732.95-20,436.44

Finding the Fourth Proportional to 33,870.29, 46,732.95 and 20,436.44

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Solution

The fourth proportional to 33,870.29, 46,732.95 and 20,436.44 is: 28,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.29 : 46,732.95 = 20,436.44 : x
  2. Step 2: Convert to fraction form
    33,870.29/46,732.95 = 20,436.44/x
  3. Step 3: Cross multiply
    33,870.29x = 46,732.95 × 20,436.44
  4. Step 4: Simplify right side
    33,870.29x = 955,054,895.03
  5. Step 5: Solve for x
    x = 955,054,895.03/33,870.29
  6. Step 6: Final answer
    x = 28,197.43

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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.