Home / 51,171.12-76,751.28-13,735.08

Finding the Fourth Proportional to 51,171.12, 76,751.28 and 13,735.08

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Solution

The fourth proportional to 51,171.12, 76,751.28 and 13,735.08 is: 20,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.12 : 76,751.28 = 13,735.08 : x
  2. Step 2: Convert to fraction form
    51,171.12/76,751.28 = 13,735.08/x
  3. Step 3: Cross multiply
    51,171.12x = 76,751.28 × 13,735.08
  4. Step 4: Simplify right side
    51,171.12x = 1,054,184,970.90
  5. Step 5: Solve for x
    x = 1,054,184,970.90/51,171.12
  6. Step 6: Final answer
    x = 20,601.17

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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.