Home / 53,179.26-73,387.04-28,980.18

Finding the Fourth Proportional to 53,179.26, 73,387.04 and 28,980.18

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Solution

The fourth proportional to 53,179.26, 73,387.04 and 28,980.18 is: 39,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.26 : 73,387.04 = 28,980.18 : x
  2. Step 2: Convert to fraction form
    53,179.26/73,387.04 = 28,980.18/x
  3. Step 3: Cross multiply
    53,179.26x = 73,387.04 × 28,980.18
  4. Step 4: Simplify right side
    53,179.26x = 2,126,769,628.87
  5. Step 5: Solve for x
    x = 2,126,769,628.87/53,179.26
  6. Step 6: Final answer
    x = 39,992.46

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1.5x scale

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.