Home / 51,773.73-77,645.55-20,176.74

Finding the Fourth Proportional to 51,773.73, 77,645.55 and 20,176.74

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Solution

The fourth proportional to 51,773.73, 77,645.55 and 20,176.74 is: 30,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,773.73 : 77,645.55 = 20,176.74 : x
  2. Step 2: Convert to fraction form
    51,773.73/77,645.55 = 20,176.74/x
  3. Step 3: Cross multiply
    51,773.73x = 77,645.55 × 20,176.74
  4. Step 4: Simplify right side
    51,773.73x = 1,566,634,074.51
  5. Step 5: Solve for x
    x = 1,566,634,074.51/51,773.73
  6. Step 6: Final answer
    x = 30,259.25

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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.