Home / 49,145.76-73,718.40-14,085.60

Finding the Fourth Proportional to 49,145.76, 73,718.40 and 14,085.60

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Solution

The fourth proportional to 49,145.76, 73,718.40 and 14,085.60 is: 21,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.76 : 73,718.40 = 14,085.60 : x
  2. Step 2: Convert to fraction form
    49,145.76/73,718.40 = 14,085.60/x
  3. Step 3: Cross multiply
    49,145.76x = 73,718.40 × 14,085.60
  4. Step 4: Simplify right side
    49,145.76x = 1,038,367,895.04
  5. Step 5: Solve for x
    x = 1,038,367,895.04/49,145.76
  6. Step 6: Final answer
    x = 21,128.33

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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.