Home / 49,681.13-74,521.75-20,099.22

Finding the Fourth Proportional to 49,681.13, 74,521.75 and 20,099.22

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Solution

The fourth proportional to 49,681.13, 74,521.75 and 20,099.22 is: 30,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.13 : 74,521.75 = 20,099.22 : x
  2. Step 2: Convert to fraction form
    49,681.13/74,521.75 = 20,099.22/x
  3. Step 3: Cross multiply
    49,681.13x = 74,521.75 × 20,099.22
  4. Step 4: Simplify right side
    49,681.13x = 1,497,828,997.79
  5. Step 5: Solve for x
    x = 1,497,828,997.79/49,681.13
  6. Step 6: Final answer
    x = 30,148.85

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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.