Home / 33,990.34-46,914.17-18,888.20

Finding the Fourth Proportional to 33,990.34, 46,914.17 and 18,888.20

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Solution

The fourth proportional to 33,990.34, 46,914.17 and 18,888.20 is: 26,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.34 : 46,914.17 = 18,888.20 : x
  2. Step 2: Convert to fraction form
    33,990.34/46,914.17 = 18,888.20/x
  3. Step 3: Cross multiply
    33,990.34x = 46,914.17 × 18,888.20
  4. Step 4: Simplify right side
    33,990.34x = 886,124,126.69
  5. Step 5: Solve for x
    x = 886,124,126.69/33,990.34
  6. Step 6: Final answer
    x = 26,069.88

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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.