Home / 30,669.03-42,299.01-22,169.70

Finding the Fourth Proportional to 30,669.03, 42,299.01 and 22,169.70

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Solution

The fourth proportional to 30,669.03, 42,299.01 and 22,169.70 is: 30,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.03 : 42,299.01 = 22,169.70 : x
  2. Step 2: Convert to fraction form
    30,669.03/42,299.01 = 22,169.70/x
  3. Step 3: Cross multiply
    30,669.03x = 42,299.01 × 22,169.70
  4. Step 4: Simplify right side
    30,669.03x = 937,756,362.00
  5. Step 5: Solve for x
    x = 937,756,362.00/30,669.03
  6. Step 6: Final answer
    x = 30,576.66

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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.