Home / 43,870.60-65,791.18-14,281.48

Finding the Fourth Proportional to 43,870.60, 65,791.18 and 14,281.48

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Solution

The fourth proportional to 43,870.60, 65,791.18 and 14,281.48 is: 21,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.60 : 65,791.18 = 14,281.48 : x
  2. Step 2: Convert to fraction form
    43,870.60/65,791.18 = 14,281.48/x
  3. Step 3: Cross multiply
    43,870.60x = 65,791.18 × 14,281.48
  4. Step 4: Simplify right side
    43,870.60x = 939,595,421.35
  5. Step 5: Solve for x
    x = 939,595,421.35/43,870.60
  6. Step 6: Final answer
    x = 21,417.43

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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.