Home / 43,004.81-64,504.92-13,419.25

Finding the Fourth Proportional to 43,004.81, 64,504.92 and 13,419.25

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Solution

The fourth proportional to 43,004.81, 64,504.92 and 13,419.25 is: 20,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,004.81 : 64,504.92 = 13,419.25 : x
  2. Step 2: Convert to fraction form
    43,004.81/64,504.92 = 13,419.25/x
  3. Step 3: Cross multiply
    43,004.81x = 64,504.92 × 13,419.25
  4. Step 4: Simplify right side
    43,004.81x = 865,607,899.61
  5. Step 5: Solve for x
    x = 865,607,899.61/43,004.81
  6. Step 6: Final answer
    x = 20,128.17

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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.