Home / 39,309.80-58,878.30-34,125.80

Finding the Fourth Proportional to 39,309.80, 58,878.30 and 34,125.80

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Solution

The fourth proportional to 39,309.80, 58,878.30 and 34,125.80 is: 51,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.80 : 58,878.30 = 34,125.80 : x
  2. Step 2: Convert to fraction form
    39,309.80/58,878.30 = 34,125.80/x
  3. Step 3: Cross multiply
    39,309.80x = 58,878.30 × 34,125.80
  4. Step 4: Simplify right side
    39,309.80x = 2,009,269,090.14
  5. Step 5: Solve for x
    x = 2,009,269,090.14/39,309.80
  6. Step 6: Final answer
    x = 51,113.69

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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.