Home / 49,979.79-74,981.52-14,918.53

Finding the Fourth Proportional to 49,979.79, 74,981.52 and 14,918.53

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Solution

The fourth proportional to 49,979.79, 74,981.52 and 14,918.53 is: 22,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.79 : 74,981.52 = 14,918.53 : x
  2. Step 2: Convert to fraction form
    49,979.79/74,981.52 = 14,918.53/x
  3. Step 3: Cross multiply
    49,979.79x = 74,981.52 × 14,918.53
  4. Step 4: Simplify right side
    49,979.79x = 1,118,614,055.57
  5. Step 5: Solve for x
    x = 1,118,614,055.57/49,979.79
  6. Step 6: Final answer
    x = 22,381.33

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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.