Home / 30,463.57-45,699-10,738.05

Finding the Fourth Proportional to 30,463.57, 45,699 and 10,738.05

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Solution

The fourth proportional to 30,463.57, 45,699 and 10,738.05 is: 16,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.57 : 45,699 = 10,738.05 : x
  2. Step 2: Convert to fraction form
    30,463.57/45,699 = 10,738.05/x
  3. Step 3: Cross multiply
    30,463.57x = 45,699 × 10,738.05
  4. Step 4: Simplify right side
    30,463.57x = 490,718,146.95
  5. Step 5: Solve for x
    x = 490,718,146.95/30,463.57
  6. Step 6: Final answer
    x = 16,108.36

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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.