Home / 49,855.77-74,718.59-20,238.93

Finding the Fourth Proportional to 49,855.77, 74,718.59 and 20,238.93

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Solution

The fourth proportional to 49,855.77, 74,718.59 and 20,238.93 is: 30,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.77 : 74,718.59 = 20,238.93 : x
  2. Step 2: Convert to fraction form
    49,855.77/74,718.59 = 20,238.93/x
  3. Step 3: Cross multiply
    49,855.77x = 74,718.59 × 20,238.93
  4. Step 4: Simplify right side
    49,855.77x = 1,512,224,211.51
  5. Step 5: Solve for x
    x = 1,512,224,211.51/49,855.77
  6. Step 6: Final answer
    x = 30,331.98

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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.