Home / 53,943.06-80,862.34-20,637.48

Finding the Fourth Proportional to 53,943.06, 80,862.34 and 20,637.48

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Solution

The fourth proportional to 53,943.06, 80,862.34 and 20,637.48 is: 30,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.06 : 80,862.34 = 20,637.48 : x
  2. Step 2: Convert to fraction form
    53,943.06/80,862.34 = 20,637.48/x
  3. Step 3: Cross multiply
    53,943.06x = 80,862.34 × 20,637.48
  4. Step 4: Simplify right side
    53,943.06x = 1,668,794,924.50
  5. Step 5: Solve for x
    x = 1,668,794,924.50/53,943.06
  6. Step 6: Final answer
    x = 30,936.23

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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.