Home / 54,485.29-81,727.79-14,504.28

Finding the Fourth Proportional to 54,485.29, 81,727.79 and 14,504.28

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Solution

The fourth proportional to 54,485.29, 81,727.79 and 14,504.28 is: 21,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.29 : 81,727.79 = 14,504.28 : x
  2. Step 2: Convert to fraction form
    54,485.29/81,727.79 = 14,504.28/x
  3. Step 3: Cross multiply
    54,485.29x = 81,727.79 × 14,504.28
  4. Step 4: Simplify right side
    54,485.29x = 1,185,402,341.30
  5. Step 5: Solve for x
    x = 1,185,402,341.30/54,485.29
  6. Step 6: Final answer
    x = 21,756.37

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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.