Home / 49,409.60-74,102.40-14,345.60

Finding the Fourth Proportional to 49,409.60, 74,102.40 and 14,345.60

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Solution

The fourth proportional to 49,409.60, 74,102.40 and 14,345.60 is: 21,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.60 : 74,102.40 = 14,345.60 : x
  2. Step 2: Convert to fraction form
    49,409.60/74,102.40 = 14,345.60/x
  3. Step 3: Cross multiply
    49,409.60x = 74,102.40 × 14,345.60
  4. Step 4: Simplify right side
    49,409.60x = 1,063,043,389.44
  5. Step 5: Solve for x
    x = 1,063,043,389.44/49,409.60
  6. Step 6: Final answer
    x = 21,514.92

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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.