Home / 51,475.06-77,218.83-18,188.31

Finding the Fourth Proportional to 51,475.06, 77,218.83 and 18,188.31

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Solution

The fourth proportional to 51,475.06, 77,218.83 and 18,188.31 is: 27,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475.06 : 77,218.83 = 18,188.31 : x
  2. Step 2: Convert to fraction form
    51,475.06/77,218.83 = 18,188.31/x
  3. Step 3: Cross multiply
    51,475.06x = 77,218.83 × 18,188.31
  4. Step 4: Simplify right side
    51,475.06x = 1,404,480,017.88
  5. Step 5: Solve for x
    x = 1,404,480,017.88/51,475.06
  6. Step 6: Final answer
    x = 27,284.67

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1.5x scale

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.