Home / 54,064.81-81,088.41-18,996.28

Finding the Fourth Proportional to 54,064.81, 81,088.41 and 18,996.28

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Solution

The fourth proportional to 54,064.81, 81,088.41 and 18,996.28 is: 28,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.81 : 81,088.41 = 18,996.28 : x
  2. Step 2: Convert to fraction form
    54,064.81/81,088.41 = 18,996.28/x
  3. Step 3: Cross multiply
    54,064.81x = 81,088.41 × 18,996.28
  4. Step 4: Simplify right side
    54,064.81x = 1,540,378,141.11
  5. Step 5: Solve for x
    x = 1,540,378,141.11/54,064.81
  6. Step 6: Final answer
    x = 28,491.33

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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.