Home / 40,684.65-56,145.59-22,779.64

Finding the Fourth Proportional to 40,684.65, 56,145.59 and 22,779.64

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Solution

The fourth proportional to 40,684.65, 56,145.59 and 22,779.64 is: 31,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.65 : 56,145.59 = 22,779.64 : x
  2. Step 2: Convert to fraction form
    40,684.65/56,145.59 = 22,779.64/x
  3. Step 3: Cross multiply
    40,684.65x = 56,145.59 × 22,779.64
  4. Step 4: Simplify right side
    40,684.65x = 1,278,976,327.79
  5. Step 5: Solve for x
    x = 1,278,976,327.79/40,684.65
  6. Step 6: Final answer
    x = 31,436.34

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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.