Home / 33,137.16-45,730.88-18,990.03

Finding the Fourth Proportional to 33,137.16, 45,730.88 and 18,990.03

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Solution

The fourth proportional to 33,137.16, 45,730.88 and 18,990.03 is: 26,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.16 : 45,730.88 = 18,990.03 : x
  2. Step 2: Convert to fraction form
    33,137.16/45,730.88 = 18,990.03/x
  3. Step 3: Cross multiply
    33,137.16x = 45,730.88 × 18,990.03
  4. Step 4: Simplify right side
    33,137.16x = 868,430,783.13
  5. Step 5: Solve for x
    x = 868,430,783.13/33,137.16
  6. Step 6: Final answer
    x = 26,207.16

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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.