Home / 51,047.11-76,570.67-15,989.50

Finding the Fourth Proportional to 51,047.11, 76,570.67 and 15,989.50

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Solution

The fourth proportional to 51,047.11, 76,570.67 and 15,989.50 is: 23,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.11 : 76,570.67 = 15,989.50 : x
  2. Step 2: Convert to fraction form
    51,047.11/76,570.67 = 15,989.50/x
  3. Step 3: Cross multiply
    51,047.11x = 76,570.67 × 15,989.50
  4. Step 4: Simplify right side
    51,047.11x = 1,224,326,727.97
  5. Step 5: Solve for x
    x = 1,224,326,727.97/51,047.11
  6. Step 6: Final answer
    x = 23,984.25

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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.