Home / 30,302.56-41,821.72-19,156.96

Finding the Fourth Proportional to 30,302.56, 41,821.72 and 19,156.96

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Solution

The fourth proportional to 30,302.56, 41,821.72 and 19,156.96 is: 26,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.56 : 41,821.72 = 19,156.96 : x
  2. Step 2: Convert to fraction form
    30,302.56/41,821.72 = 19,156.96/x
  3. Step 3: Cross multiply
    30,302.56x = 41,821.72 × 19,156.96
  4. Step 4: Simplify right side
    30,302.56x = 801,177,017.17
  5. Step 5: Solve for x
    x = 801,177,017.17/30,302.56
  6. Step 6: Final answer
    x = 26,439.25

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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.