Home / 30,612.84-45,923.66-10,886.70

Finding the Fourth Proportional to 30,612.84, 45,923.66 and 10,886.70

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Solution

The fourth proportional to 30,612.84, 45,923.66 and 10,886.70 is: 16,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612.84 : 45,923.66 = 10,886.70 : x
  2. Step 2: Convert to fraction form
    30,612.84/45,923.66 = 10,886.70/x
  3. Step 3: Cross multiply
    30,612.84x = 45,923.66 × 10,886.70
  4. Step 4: Simplify right side
    30,612.84x = 499,957,267.93
  5. Step 5: Solve for x
    x = 499,957,267.93/30,612.84
  6. Step 6: Final answer
    x = 16,331.62

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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.