Home / 30,859.20-46,288.80-10,082.70

Finding the Fourth Proportional to 30,859.20, 46,288.80 and 10,082.70

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Solution

The fourth proportional to 30,859.20, 46,288.80 and 10,082.70 is: 15,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.20 : 46,288.80 = 10,082.70 : x
  2. Step 2: Convert to fraction form
    30,859.20/46,288.80 = 10,082.70/x
  3. Step 3: Cross multiply
    30,859.20x = 46,288.80 × 10,082.70
  4. Step 4: Simplify right side
    30,859.20x = 466,716,083.76
  5. Step 5: Solve for x
    x = 466,716,083.76/30,859.20
  6. Step 6: Final answer
    x = 15,124.05

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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.