Home / 55,427.76-83,141.64-20,352.24

Finding the Fourth Proportional to 55,427.76, 83,141.64 and 20,352.24

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Solution

The fourth proportional to 55,427.76, 83,141.64 and 20,352.24 is: 30,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.76 : 83,141.64 = 20,352.24 : x
  2. Step 2: Convert to fraction form
    55,427.76/83,141.64 = 20,352.24/x
  3. Step 3: Cross multiply
    55,427.76x = 83,141.64 × 20,352.24
  4. Step 4: Simplify right side
    55,427.76x = 1,692,118,611.27
  5. Step 5: Solve for x
    x = 1,692,118,611.27/55,427.76
  6. Step 6: Final answer
    x = 30,528.36

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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.