Home / 40,779.42-56,189.30-37,974.38

Finding the Fourth Proportional to 40,779.42, 56,189.30 and 37,974.38

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Solution

The fourth proportional to 40,779.42, 56,189.30 and 37,974.38 is: 52,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.42 : 56,189.30 = 37,974.38 : x
  2. Step 2: Convert to fraction form
    40,779.42/56,189.30 = 37,974.38/x
  3. Step 3: Cross multiply
    40,779.42x = 56,189.30 × 37,974.38
  4. Step 4: Simplify right side
    40,779.42x = 2,133,753,830.13
  5. Step 5: Solve for x
    x = 2,133,753,830.13/40,779.42
  6. Step 6: Final answer
    x = 52,324.28

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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.