Home / 40,684.68-56,142.36-22,776.66

Finding the Fourth Proportional to 40,684.68, 56,142.36 and 22,776.66

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Solution

The fourth proportional to 40,684.68, 56,142.36 and 22,776.66 is: 31,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.68 : 56,142.36 = 22,776.66 : x
  2. Step 2: Convert to fraction form
    40,684.68/56,142.36 = 22,776.66/x
  3. Step 3: Cross multiply
    40,684.68x = 56,142.36 × 22,776.66
  4. Step 4: Simplify right side
    40,684.68x = 1,278,735,445.32
  5. Step 5: Solve for x
    x = 1,278,735,445.32/40,684.68
  6. Step 6: Final answer
    x = 31,430.39

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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.