Home / 51,812.48-77,784.32-43,153.28

Finding the Fourth Proportional to 51,812.48, 77,784.32 and 43,153.28

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Solution

The fourth proportional to 51,812.48, 77,784.32 and 43,153.28 is: 64,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.48 : 77,784.32 = 43,153.28 : x
  2. Step 2: Convert to fraction form
    51,812.48/77,784.32 = 43,153.28/x
  3. Step 3: Cross multiply
    51,812.48x = 77,784.32 × 43,153.28
  4. Step 4: Simplify right side
    51,812.48x = 3,356,648,540.57
  5. Step 5: Solve for x
    x = 3,356,648,540.57/51,812.48
  6. Step 6: Final answer
    x = 64,784.56

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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.