Home / 51,580.47-77,392.58-28,179.57

Finding the Fourth Proportional to 51,580.47, 77,392.58 and 28,179.57

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Solution

The fourth proportional to 51,580.47, 77,392.58 and 28,179.57 is: 42,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.47 : 77,392.58 = 28,179.57 : x
  2. Step 2: Convert to fraction form
    51,580.47/77,392.58 = 28,179.57/x
  3. Step 3: Cross multiply
    51,580.47x = 77,392.58 × 28,179.57
  4. Step 4: Simplify right side
    51,580.47x = 2,180,889,625.59
  5. Step 5: Solve for x
    x = 2,180,889,625.59/51,580.47
  6. Step 6: Final answer
    x = 42,281.31

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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.