Home / 49,903.65-68,864.22-28,390.50

Finding the Fourth Proportional to 49,903.65, 68,864.22 and 28,390.50

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Solution

The fourth proportional to 49,903.65, 68,864.22 and 28,390.50 is: 39,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.65 : 68,864.22 = 28,390.50 : x
  2. Step 2: Convert to fraction form
    49,903.65/68,864.22 = 28,390.50/x
  3. Step 3: Cross multiply
    49,903.65x = 68,864.22 × 28,390.50
  4. Step 4: Simplify right side
    49,903.65x = 1,955,089,637.91
  5. Step 5: Solve for x
    x = 1,955,089,637.91/49,903.65
  6. Step 6: Final answer
    x = 39,177.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.