Home / 30,994.64-46,490.28-18,178.94

Finding the Fourth Proportional to 30,994.64, 46,490.28 and 18,178.94

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Solution

The fourth proportional to 30,994.64, 46,490.28 and 18,178.94 is: 27,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.64 : 46,490.28 = 18,178.94 : x
  2. Step 2: Convert to fraction form
    30,994.64/46,490.28 = 18,178.94/x
  3. Step 3: Cross multiply
    30,994.64x = 46,490.28 × 18,178.94
  4. Step 4: Simplify right side
    30,994.64x = 845,144,010.70
  5. Step 5: Solve for x
    x = 845,144,010.70/30,994.64
  6. Step 6: Final answer
    x = 27,267.42

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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.