Home / 54,425.34-81,618.51-19,358.01

Finding the Fourth Proportional to 54,425.34, 81,618.51 and 19,358.01

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Solution

The fourth proportional to 54,425.34, 81,618.51 and 19,358.01 is: 29,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,425.34 : 81,618.51 = 19,358.01 : x
  2. Step 2: Convert to fraction form
    54,425.34/81,618.51 = 19,358.01/x
  3. Step 3: Cross multiply
    54,425.34x = 81,618.51 × 19,358.01
  4. Step 4: Simplify right side
    54,425.34x = 1,579,971,932.77
  5. Step 5: Solve for x
    x = 1,579,971,932.77/54,425.34
  6. Step 6: Final answer
    x = 29,030.08

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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.