Home / 45,836.40-68,758.20-19,541.34

Finding the Fourth Proportional to 45,836.40, 68,758.20 and 19,541.34

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Solution

The fourth proportional to 45,836.40, 68,758.20 and 19,541.34 is: 29,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,836.40 : 68,758.20 = 19,541.34 : x
  2. Step 2: Convert to fraction form
    45,836.40/68,758.20 = 19,541.34/x
  3. Step 3: Cross multiply
    45,836.40x = 68,758.20 × 19,541.34
  4. Step 4: Simplify right side
    45,836.40x = 1,343,627,363.99
  5. Step 5: Solve for x
    x = 1,343,627,363.99/45,836.40
  6. Step 6: Final answer
    x = 29,313.54

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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.