Home / 40,684.14-56,142.72-22,779.90

Finding the Fourth Proportional to 40,684.14, 56,142.72 and 22,779.90

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Solution

The fourth proportional to 40,684.14, 56,142.72 and 22,779.90 is: 31,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.14 : 56,142.72 = 22,779.90 : x
  2. Step 2: Convert to fraction form
    40,684.14/56,142.72 = 22,779.90/x
  3. Step 3: Cross multiply
    40,684.14x = 56,142.72 × 22,779.90
  4. Step 4: Simplify right side
    40,684.14x = 1,278,925,547.33
  5. Step 5: Solve for x
    x = 1,278,925,547.33/40,684.14
  6. Step 6: Final answer
    x = 31,435.48

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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.