Home / 51,780.96-77,670.64-23,297.79

Finding the Fourth Proportional to 51,780.96, 77,670.64 and 23,297.79

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Solution

The fourth proportional to 51,780.96, 77,670.64 and 23,297.79 is: 34,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.96 : 77,670.64 = 23,297.79 : x
  2. Step 2: Convert to fraction form
    51,780.96/77,670.64 = 23,297.79/x
  3. Step 3: Cross multiply
    51,780.96x = 77,670.64 × 23,297.79
  4. Step 4: Simplify right side
    51,780.96x = 1,809,554,259.89
  5. Step 5: Solve for x
    x = 1,809,554,259.89/51,780.96
  6. Step 6: Final answer
    x = 34,946.33

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1.5x scale

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.