Home / 54,443.14-81,675.03-18,903.07

Finding the Fourth Proportional to 54,443.14, 81,675.03 and 18,903.07

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Solution

The fourth proportional to 54,443.14, 81,675.03 and 18,903.07 is: 28,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443.14 : 81,675.03 = 18,903.07 : x
  2. Step 2: Convert to fraction form
    54,443.14/81,675.03 = 18,903.07/x
  3. Step 3: Cross multiply
    54,443.14x = 81,675.03 × 18,903.07
  4. Step 4: Simplify right side
    54,443.14x = 1,543,908,982.32
  5. Step 5: Solve for x
    x = 1,543,908,982.32/54,443.14
  6. Step 6: Final answer
    x = 28,358.19

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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.