Home / 40,738.32-56,221.12-22,839.08

Finding the Fourth Proportional to 40,738.32, 56,221.12 and 22,839.08

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Solution

The fourth proportional to 40,738.32, 56,221.12 and 22,839.08 is: 31,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,738.32 : 56,221.12 = 22,839.08 : x
  2. Step 2: Convert to fraction form
    40,738.32/56,221.12 = 22,839.08/x
  3. Step 3: Cross multiply
    40,738.32x = 56,221.12 × 22,839.08
  4. Step 4: Simplify right side
    40,738.32x = 1,284,038,657.37
  5. Step 5: Solve for x
    x = 1,284,038,657.37/40,738.32
  6. Step 6: Final answer
    x = 31,519.19

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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.