Home / 39,620.40-59,315.37-30,828.66

Finding the Fourth Proportional to 39,620.40, 59,315.37 and 30,828.66

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Solution

The fourth proportional to 39,620.40, 59,315.37 and 30,828.66 is: 46,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.40 : 59,315.37 = 30,828.66 : x
  2. Step 2: Convert to fraction form
    39,620.40/59,315.37 = 30,828.66/x
  3. Step 3: Cross multiply
    39,620.40x = 59,315.37 × 30,828.66
  4. Step 4: Simplify right side
    39,620.40x = 1,828,613,374.50
  5. Step 5: Solve for x
    x = 1,828,613,374.50/39,620.40
  6. Step 6: Final answer
    x = 46,153.33

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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.