Home / 49,680.59-74,521.73-14,142.81

Finding the Fourth Proportional to 49,680.59, 74,521.73 and 14,142.81

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Solution

The fourth proportional to 49,680.59, 74,521.73 and 14,142.81 is: 21,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.59 : 74,521.73 = 14,142.81 : x
  2. Step 2: Convert to fraction form
    49,680.59/74,521.73 = 14,142.81/x
  3. Step 3: Cross multiply
    49,680.59x = 74,521.73 × 14,142.81
  4. Step 4: Simplify right side
    49,680.59x = 1,053,946,597.55
  5. Step 5: Solve for x
    x = 1,053,946,597.55/49,680.59
  6. Step 6: Final answer
    x = 21,214.46

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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.