Home / 40,684.84-56,142.42-22,779.68

Finding the Fourth Proportional to 40,684.84, 56,142.42 and 22,779.68

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Solution

The fourth proportional to 40,684.84, 56,142.42 and 22,779.68 is: 31,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.84 : 56,142.42 = 22,779.68 : x
  2. Step 2: Convert to fraction form
    40,684.84/56,142.42 = 22,779.68/x
  3. Step 3: Cross multiply
    40,684.84x = 56,142.42 × 22,779.68
  4. Step 4: Simplify right side
    40,684.84x = 1,278,906,362.03
  5. Step 5: Solve for x
    x = 1,278,906,362.03/40,684.84
  6. Step 6: Final answer
    x = 31,434.47

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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.