Home / 37,667.12-56,511.60-21,039.53

Finding the Fourth Proportional to 37,667.12, 56,511.60 and 21,039.53

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Solution

The fourth proportional to 37,667.12, 56,511.60 and 21,039.53 is: 31,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,667.12 : 56,511.60 = 21,039.53 : x
  2. Step 2: Convert to fraction form
    37,667.12/56,511.60 = 21,039.53/x
  3. Step 3: Cross multiply
    37,667.12x = 56,511.60 × 21,039.53
  4. Step 4: Simplify right side
    37,667.12x = 1,188,977,220.99
  5. Step 5: Solve for x
    x = 1,188,977,220.99/37,667.12
  6. Step 6: Final answer
    x = 31,565.39

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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.