Home / 30,979.13-46,474.17-10,994.74

Finding the Fourth Proportional to 30,979.13, 46,474.17 and 10,994.74

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Solution

The fourth proportional to 30,979.13, 46,474.17 and 10,994.74 is: 16,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.13 : 46,474.17 = 10,994.74 : x
  2. Step 2: Convert to fraction form
    30,979.13/46,474.17 = 10,994.74/x
  3. Step 3: Cross multiply
    30,979.13x = 46,474.17 × 10,994.74
  4. Step 4: Simplify right side
    30,979.13x = 510,971,415.87
  5. Step 5: Solve for x
    x = 510,971,415.87/30,979.13
  6. Step 6: Final answer
    x = 16,494.05

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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.