Home / 39,919.19-59,862.32-13,626.05

Finding the Fourth Proportional to 39,919.19, 59,862.32 and 13,626.05

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Solution

The fourth proportional to 39,919.19, 59,862.32 and 13,626.05 is: 20,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.19 : 59,862.32 = 13,626.05 : x
  2. Step 2: Convert to fraction form
    39,919.19/59,862.32 = 13,626.05/x
  3. Step 3: Cross multiply
    39,919.19x = 59,862.32 × 13,626.05
  4. Step 4: Simplify right side
    39,919.19x = 815,686,897.31
  5. Step 5: Solve for x
    x = 815,686,897.31/39,919.19
  6. Step 6: Final answer
    x = 20,433.45

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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.