Home / 43,529.04-65,284.65-13,938.66

Finding the Fourth Proportional to 43,529.04, 65,284.65 and 13,938.66

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Solution

The fourth proportional to 43,529.04, 65,284.65 and 13,938.66 is: 20,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.04 : 65,284.65 = 13,938.66 : x
  2. Step 2: Convert to fraction form
    43,529.04/65,284.65 = 13,938.66/x
  3. Step 3: Cross multiply
    43,529.04x = 65,284.65 × 13,938.66
  4. Step 4: Simplify right side
    43,529.04x = 909,980,539.57
  5. Step 5: Solve for x
    x = 909,980,539.57/43,529.04
  6. Step 6: Final answer
    x = 20,905.14

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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.