Home / 49,726.31-74,547.59-20,164.86

Finding the Fourth Proportional to 49,726.31, 74,547.59 and 20,164.86

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Solution

The fourth proportional to 49,726.31, 74,547.59 and 20,164.86 is: 30,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,726.31 : 74,547.59 = 20,164.86 : x
  2. Step 2: Convert to fraction form
    49,726.31/74,547.59 = 20,164.86/x
  3. Step 3: Cross multiply
    49,726.31x = 74,547.59 × 20,164.86
  4. Step 4: Simplify right side
    49,726.31x = 1,503,241,614.86
  5. Step 5: Solve for x
    x = 1,503,241,614.86/49,726.31
  6. Step 6: Final answer
    x = 30,230.31

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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.