Home / 54,901.96-82,372.69-21,603.58

Finding the Fourth Proportional to 54,901.96, 82,372.69 and 21,603.58

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Solution

The fourth proportional to 54,901.96, 82,372.69 and 21,603.58 is: 32,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.96 : 82,372.69 = 21,603.58 : x
  2. Step 2: Convert to fraction form
    54,901.96/82,372.69 = 21,603.58/x
  3. Step 3: Cross multiply
    54,901.96x = 82,372.69 × 21,603.58
  4. Step 4: Simplify right side
    54,901.96x = 1,779,544,819.30
  5. Step 5: Solve for x
    x = 1,779,544,819.30/54,901.96
  6. Step 6: Final answer
    x = 32,413.14

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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.