Home / 30,669.36-45,994.32-18,206.70

Finding the Fourth Proportional to 30,669.36, 45,994.32 and 18,206.70

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Solution

The fourth proportional to 30,669.36, 45,994.32 and 18,206.70 is: 27,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.36 : 45,994.32 = 18,206.70 : x
  2. Step 2: Convert to fraction form
    30,669.36/45,994.32 = 18,206.70/x
  3. Step 3: Cross multiply
    30,669.36x = 45,994.32 × 18,206.70
  4. Step 4: Simplify right side
    30,669.36x = 837,404,785.94
  5. Step 5: Solve for x
    x = 837,404,785.94/30,669.36
  6. Step 6: Final answer
    x = 27,304.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.