Home / 30,471.09-45,706.77-10,738.95

Finding the Fourth Proportional to 30,471.09, 45,706.77 and 10,738.95

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Solution

The fourth proportional to 30,471.09, 45,706.77 and 10,738.95 is: 16,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.09 : 45,706.77 = 10,738.95 : x
  2. Step 2: Convert to fraction form
    30,471.09/45,706.77 = 10,738.95/x
  3. Step 3: Cross multiply
    30,471.09x = 45,706.77 × 10,738.95
  4. Step 4: Simplify right side
    30,471.09x = 490,842,717.69
  5. Step 5: Solve for x
    x = 490,842,717.69/30,471.09
  6. Step 6: Final answer
    x = 16,108.47

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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.