Home / 54,599.07-81,918.32-19,065.63

Finding the Fourth Proportional to 54,599.07, 81,918.32 and 19,065.63

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Solution

The fourth proportional to 54,599.07, 81,918.32 and 19,065.63 is: 28,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.07 : 81,918.32 = 19,065.63 : x
  2. Step 2: Convert to fraction form
    54,599.07/81,918.32 = 19,065.63/x
  3. Step 3: Cross multiply
    54,599.07x = 81,918.32 × 19,065.63
  4. Step 4: Simplify right side
    54,599.07x = 1,561,824,130.42
  5. Step 5: Solve for x
    x = 1,561,824,130.42/54,599.07
  6. Step 6: Final answer
    x = 28,605.32

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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.