Home / 49,981.08-74,971.68-14,945.40

Finding the Fourth Proportional to 49,981.08, 74,971.68 and 14,945.40

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Solution

The fourth proportional to 49,981.08, 74,971.68 and 14,945.40 is: 22,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,981.08 : 74,971.68 = 14,945.40 : x
  2. Step 2: Convert to fraction form
    49,981.08/74,971.68 = 14,945.40/x
  3. Step 3: Cross multiply
    49,981.08x = 74,971.68 × 14,945.40
  4. Step 4: Simplify right side
    49,981.08x = 1,120,481,746.27
  5. Step 5: Solve for x
    x = 1,120,481,746.27/49,981.08
  6. Step 6: Final answer
    x = 22,418.12

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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.