Home / 51,477.06-77,221.84-18,190.30

Finding the Fourth Proportional to 51,477.06, 77,221.84 and 18,190.30

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Solution

The fourth proportional to 51,477.06, 77,221.84 and 18,190.30 is: 27,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.06 : 77,221.84 = 18,190.30 : x
  2. Step 2: Convert to fraction form
    51,477.06/77,221.84 = 18,190.30/x
  3. Step 3: Cross multiply
    51,477.06x = 77,221.84 × 18,190.30
  4. Step 4: Simplify right side
    51,477.06x = 1,404,688,436.15
  5. Step 5: Solve for x
    x = 1,404,688,436.15/51,477.06
  6. Step 6: Final answer
    x = 27,287.66

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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.