Home / 39,870.90-59,704.29-22,258.26

Finding the Fourth Proportional to 39,870.90, 59,704.29 and 22,258.26

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Solution

The fourth proportional to 39,870.90, 59,704.29 and 22,258.26 is: 33,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.90 : 59,704.29 = 22,258.26 : x
  2. Step 2: Convert to fraction form
    39,870.90/59,704.29 = 22,258.26/x
  3. Step 3: Cross multiply
    39,870.90x = 59,704.29 × 22,258.26
  4. Step 4: Simplify right side
    39,870.90x = 1,328,913,609.94
  5. Step 5: Solve for x
    x = 1,328,913,609.94/39,870.90
  6. Step 6: Final answer
    x = 33,330.41

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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.