Home / 40,419.85-55,779.48-23,427.37

Finding the Fourth Proportional to 40,419.85, 55,779.48 and 23,427.37

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Solution

The fourth proportional to 40,419.85, 55,779.48 and 23,427.37 is: 32,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.85 : 55,779.48 = 23,427.37 : x
  2. Step 2: Convert to fraction form
    40,419.85/55,779.48 = 23,427.37/x
  3. Step 3: Cross multiply
    40,419.85x = 55,779.48 × 23,427.37
  4. Step 4: Simplify right side
    40,419.85x = 1,306,766,516.37
  5. Step 5: Solve for x
    x = 1,306,766,516.37/40,419.85
  6. Step 6: Final answer
    x = 32,329.82

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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.