Home / 40,682.79-56,141.10-22,779.36

Finding the Fourth Proportional to 40,682.79, 56,141.10 and 22,779.36

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Solution

The fourth proportional to 40,682.79, 56,141.10 and 22,779.36 is: 31,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.79 : 56,141.10 = 22,779.36 : x
  2. Step 2: Convert to fraction form
    40,682.79/56,141.10 = 22,779.36/x
  3. Step 3: Cross multiply
    40,682.79x = 56,141.10 × 22,779.36
  4. Step 4: Simplify right side
    40,682.79x = 1,278,858,327.70
  5. Step 5: Solve for x
    x = 1,278,858,327.70/40,682.79
  6. Step 6: Final answer
    x = 31,434.87

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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.