Home / 54,451.96-81,686.59-18,924.14

Finding the Fourth Proportional to 54,451.96, 81,686.59 and 18,924.14

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Solution

The fourth proportional to 54,451.96, 81,686.59 and 18,924.14 is: 28,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.96 : 81,686.59 = 18,924.14 : x
  2. Step 2: Convert to fraction form
    54,451.96/81,686.59 = 18,924.14/x
  3. Step 3: Cross multiply
    54,451.96x = 81,686.59 × 18,924.14
  4. Step 4: Simplify right side
    54,451.96x = 1,545,848,465.28
  5. Step 5: Solve for x
    x = 1,545,848,465.28/54,451.96
  6. Step 6: Final answer
    x = 28,389.22

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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.