Home / 30,876.70-46,313.76-13,102.48

Finding the Fourth Proportional to 30,876.70, 46,313.76 and 13,102.48

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Solution

The fourth proportional to 30,876.70, 46,313.76 and 13,102.48 is: 19,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,876.70 : 46,313.76 = 13,102.48 : x
  2. Step 2: Convert to fraction form
    30,876.70/46,313.76 = 13,102.48/x
  3. Step 3: Cross multiply
    30,876.70x = 46,313.76 × 13,102.48
  4. Step 4: Simplify right side
    30,876.70x = 606,825,114.12
  5. Step 5: Solve for x
    x = 606,825,114.12/30,876.70
  6. Step 6: Final answer
    x = 19,653.17

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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.