Home / 40,419.88-55,779.50-23,427.36

Finding the Fourth Proportional to 40,419.88, 55,779.50 and 23,427.36

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Solution

The fourth proportional to 40,419.88, 55,779.50 and 23,427.36 is: 32,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.88 : 55,779.50 = 23,427.36 : x
  2. Step 2: Convert to fraction form
    40,419.88/55,779.50 = 23,427.36/x
  3. Step 3: Cross multiply
    40,419.88x = 55,779.50 × 23,427.36
  4. Step 4: Simplify right side
    40,419.88x = 1,306,766,485.69
  5. Step 5: Solve for x
    x = 1,306,766,485.69/40,419.88
  6. Step 6: Final answer
    x = 32,329.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.