Home / 30,896.24-42,636.70-16,749.08

Finding the Fourth Proportional to 30,896.24, 42,636.70 and 16,749.08

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Solution

The fourth proportional to 30,896.24, 42,636.70 and 16,749.08 is: 23,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.24 : 42,636.70 = 16,749.08 : x
  2. Step 2: Convert to fraction form
    30,896.24/42,636.70 = 16,749.08/x
  3. Step 3: Cross multiply
    30,896.24x = 42,636.70 × 16,749.08
  4. Step 4: Simplify right side
    30,896.24x = 714,125,513.98
  5. Step 5: Solve for x
    x = 714,125,513.98/30,896.24
  6. Step 6: Final answer
    x = 23,113.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.