Home / 39,021.55-58,526.38-12,726.25

Finding the Fourth Proportional to 39,021.55, 58,526.38 and 12,726.25

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Solution

The fourth proportional to 39,021.55, 58,526.38 and 12,726.25 is: 19,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.55 : 58,526.38 = 12,726.25 : x
  2. Step 2: Convert to fraction form
    39,021.55/58,526.38 = 12,726.25/x
  3. Step 3: Cross multiply
    39,021.55x = 58,526.38 × 12,726.25
  4. Step 4: Simplify right side
    39,021.55x = 744,821,343.48
  5. Step 5: Solve for x
    x = 744,821,343.48/39,021.55
  6. Step 6: Final answer
    x = 19,087.44

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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.