Home / 51,563.09-77,191.52-28,118.45

Finding the Fourth Proportional to 51,563.09, 77,191.52 and 28,118.45

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Solution

The fourth proportional to 51,563.09, 77,191.52 and 28,118.45 is: 42,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,563.09 : 77,191.52 = 28,118.45 : x
  2. Step 2: Convert to fraction form
    51,563.09/77,191.52 = 28,118.45/x
  3. Step 3: Cross multiply
    51,563.09x = 77,191.52 × 28,118.45
  4. Step 4: Simplify right side
    51,563.09x = 2,170,505,368.99
  5. Step 5: Solve for x
    x = 2,170,505,368.99/51,563.09
  6. Step 6: Final answer
    x = 42,094.17

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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.