Home / 54,645.42-81,877.54-19,087.64

Finding the Fourth Proportional to 54,645.42, 81,877.54 and 19,087.64

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Solution

The fourth proportional to 54,645.42, 81,877.54 and 19,087.64 is: 28,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.42 : 81,877.54 = 19,087.64 : x
  2. Step 2: Convert to fraction form
    54,645.42/81,877.54 = 19,087.64/x
  3. Step 3: Cross multiply
    54,645.42x = 81,877.54 × 19,087.64
  4. Step 4: Simplify right side
    54,645.42x = 1,562,849,007.61
  5. Step 5: Solve for x
    x = 1,562,849,007.61/54,645.42
  6. Step 6: Final answer
    x = 28,599.82

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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.