Home / 30,321.60-41,813.76-27,368.16

Finding the Fourth Proportional to 30,321.60, 41,813.76 and 27,368.16

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Solution

The fourth proportional to 30,321.60, 41,813.76 and 27,368.16 is: 37,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.60 : 41,813.76 = 27,368.16 : x
  2. Step 2: Convert to fraction form
    30,321.60/41,813.76 = 27,368.16/x
  3. Step 3: Cross multiply
    30,321.60x = 41,813.76 × 27,368.16
  4. Step 4: Simplify right side
    30,321.60x = 1,144,365,673.88
  5. Step 5: Solve for x
    x = 1,144,365,673.88/30,321.60
  6. Step 6: Final answer
    x = 37,740.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.