Home / 40,742.80-56,224.55-22,837.78

Finding the Fourth Proportional to 40,742.80, 56,224.55 and 22,837.78

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Solution

The fourth proportional to 40,742.80, 56,224.55 and 22,837.78 is: 31,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.80 : 56,224.55 = 22,837.78 : x
  2. Step 2: Convert to fraction form
    40,742.80/56,224.55 = 22,837.78/x
  3. Step 3: Cross multiply
    40,742.80x = 56,224.55 × 22,837.78
  4. Step 4: Simplify right side
    40,742.80x = 1,284,043,903.50
  5. Step 5: Solve for x
    x = 1,284,043,903.50/40,742.80
  6. Step 6: Final answer
    x = 31,515.85

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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.