Home / 43,870.86-65,791.54-14,281.74

Finding the Fourth Proportional to 43,870.86, 65,791.54 and 14,281.74

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Solution

The fourth proportional to 43,870.86, 65,791.54 and 14,281.74 is: 21,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.86 : 65,791.54 = 14,281.74 : x
  2. Step 2: Convert to fraction form
    43,870.86/65,791.54 = 14,281.74/x
  3. Step 3: Cross multiply
    43,870.86x = 65,791.54 × 14,281.74
  4. Step 4: Simplify right side
    43,870.86x = 939,617,668.48
  5. Step 5: Solve for x
    x = 939,617,668.48/43,870.86
  6. Step 6: Final answer
    x = 21,417.81

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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.