Home / 51,679.01-77,518.82-18,400.37

Finding the Fourth Proportional to 51,679.01, 77,518.82 and 18,400.37

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Solution

The fourth proportional to 51,679.01, 77,518.82 and 18,400.37 is: 27,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679.01 : 77,518.82 = 18,400.37 : x
  2. Step 2: Convert to fraction form
    51,679.01/77,518.82 = 18,400.37/x
  3. Step 3: Cross multiply
    51,679.01x = 77,518.82 × 18,400.37
  4. Step 4: Simplify right side
    51,679.01x = 1,426,374,628.37
  5. Step 5: Solve for x
    x = 1,426,374,628.37/51,679.01
  6. Step 6: Final answer
    x = 27,600.66

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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.