Home / 55,611.76-83,430.60-18,173.56

Finding the Fourth Proportional to 55,611.76, 83,430.60 and 18,173.56

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Solution

The fourth proportional to 55,611.76, 83,430.60 and 18,173.56 is: 27,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.76 : 83,430.60 = 18,173.56 : x
  2. Step 2: Convert to fraction form
    55,611.76/83,430.60 = 18,173.56/x
  3. Step 3: Cross multiply
    55,611.76x = 83,430.60 × 18,173.56
  4. Step 4: Simplify right side
    55,611.76x = 1,516,231,014.94
  5. Step 5: Solve for x
    x = 1,516,231,014.94/55,611.76
  6. Step 6: Final answer
    x = 27,264.58

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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.