Home / 49,905.27-74,835.95-18,718.65

Finding the Fourth Proportional to 49,905.27, 74,835.95 and 18,718.65

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Solution

The fourth proportional to 49,905.27, 74,835.95 and 18,718.65 is: 28,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.27 : 74,835.95 = 18,718.65 : x
  2. Step 2: Convert to fraction form
    49,905.27/74,835.95 = 18,718.65/x
  3. Step 3: Cross multiply
    49,905.27x = 74,835.95 × 18,718.65
  4. Step 4: Simplify right side
    49,905.27x = 1,400,827,861.87
  5. Step 5: Solve for x
    x = 1,400,827,861.87/49,905.27
  6. Step 6: Final answer
    x = 28,069.74

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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.