Home / 51,173.14-70,642.65-36,078.10

Finding the Fourth Proportional to 51,173.14, 70,642.65 and 36,078.10

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Solution

The fourth proportional to 51,173.14, 70,642.65 and 36,078.10 is: 49,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.14 : 70,642.65 = 36,078.10 : x
  2. Step 2: Convert to fraction form
    51,173.14/70,642.65 = 36,078.10/x
  3. Step 3: Cross multiply
    51,173.14x = 70,642.65 × 36,078.10
  4. Step 4: Simplify right side
    51,173.14x = 2,548,652,590.97
  5. Step 5: Solve for x
    x = 2,548,652,590.97/51,173.14
  6. Step 6: Final answer
    x = 49,804.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.