Home / 53,976.27-80,973.63-18,435.63

Finding the Fourth Proportional to 53,976.27, 80,973.63 and 18,435.63

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Solution

The fourth proportional to 53,976.27, 80,973.63 and 18,435.63 is: 27,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.27 : 80,973.63 = 18,435.63 : x
  2. Step 2: Convert to fraction form
    53,976.27/80,973.63 = 18,435.63/x
  3. Step 3: Cross multiply
    53,976.27x = 80,973.63 × 18,435.63
  4. Step 4: Simplify right side
    53,976.27x = 1,492,800,186.09
  5. Step 5: Solve for x
    x = 1,492,800,186.09/53,976.27
  6. Step 6: Final answer
    x = 27,656.60

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1.5x scale

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.