Home / 39,420.70-58,843.24-34,192.56

Finding the Fourth Proportional to 39,420.70, 58,843.24 and 34,192.56

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Solution

The fourth proportional to 39,420.70, 58,843.24 and 34,192.56 is: 51,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.70 : 58,843.24 = 34,192.56 : x
  2. Step 2: Convert to fraction form
    39,420.70/58,843.24 = 34,192.56/x
  3. Step 3: Cross multiply
    39,420.70x = 58,843.24 × 34,192.56
  4. Step 4: Simplify right side
    39,420.70x = 2,012,001,014.29
  5. Step 5: Solve for x
    x = 2,012,001,014.29/39,420.70
  6. Step 6: Final answer
    x = 51,039.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.