Home / 39,255.21-58,840.03-19,278.45

Finding the Fourth Proportional to 39,255.21, 58,840.03 and 19,278.45

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Solution

The fourth proportional to 39,255.21, 58,840.03 and 19,278.45 is: 28,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.21 : 58,840.03 = 19,278.45 : x
  2. Step 2: Convert to fraction form
    39,255.21/58,840.03 = 19,278.45/x
  3. Step 3: Cross multiply
    39,255.21x = 58,840.03 × 19,278.45
  4. Step 4: Simplify right side
    39,255.21x = 1,134,344,528.16
  5. Step 5: Solve for x
    x = 1,134,344,528.16/39,255.21
  6. Step 6: Final answer
    x = 28,896.66

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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.