Home / 51,441.36-77,169.43-15,905.45

Finding the Fourth Proportional to 51,441.36, 77,169.43 and 15,905.45

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Solution

The fourth proportional to 51,441.36, 77,169.43 and 15,905.45 is: 23,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.36 : 77,169.43 = 15,905.45 : x
  2. Step 2: Convert to fraction form
    51,441.36/77,169.43 = 15,905.45/x
  3. Step 3: Cross multiply
    51,441.36x = 77,169.43 × 15,905.45
  4. Step 4: Simplify right side
    51,441.36x = 1,227,414,045.02
  5. Step 5: Solve for x
    x = 1,227,414,045.02/51,441.36
  6. Step 6: Final answer
    x = 23,860.45

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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.