Home / 39,007.04-53,829.66-21,102

Finding the Fourth Proportional to 39,007.04, 53,829.66 and 21,102

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Solution

The fourth proportional to 39,007.04, 53,829.66 and 21,102 is: 29,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.04 : 53,829.66 = 21,102 : x
  2. Step 2: Convert to fraction form
    39,007.04/53,829.66 = 21,102/x
  3. Step 3: Cross multiply
    39,007.04x = 53,829.66 × 21,102
  4. Step 4: Simplify right side
    39,007.04x = 1,135,913,485.32
  5. Step 5: Solve for x
    x = 1,135,913,485.32/39,007.04
  6. Step 6: Final answer
    x = 29,120.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.