Home / 54,390.03-81,584.93-30,686.82

Finding the Fourth Proportional to 54,390.03, 81,584.93 and 30,686.82

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Solution

The fourth proportional to 54,390.03, 81,584.93 and 30,686.82 is: 46,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.03 : 81,584.93 = 30,686.82 : x
  2. Step 2: Convert to fraction form
    54,390.03/81,584.93 = 30,686.82/x
  3. Step 3: Cross multiply
    54,390.03x = 81,584.93 × 30,686.82
  4. Step 4: Simplify right side
    54,390.03x = 2,503,581,832.40
  5. Step 5: Solve for x
    x = 2,503,581,832.40/54,390.03
  6. Step 6: Final answer
    x = 46,030.16

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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.