Home / 40,043.06-55,263.45-22,139.42

Finding the Fourth Proportional to 40,043.06, 55,263.45 and 22,139.42

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Solution

The fourth proportional to 40,043.06, 55,263.45 and 22,139.42 is: 30,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.06 : 55,263.45 = 22,139.42 : x
  2. Step 2: Convert to fraction form
    40,043.06/55,263.45 = 22,139.42/x
  3. Step 3: Cross multiply
    40,043.06x = 55,263.45 × 22,139.42
  4. Step 4: Simplify right side
    40,043.06x = 1,223,500,619.50
  5. Step 5: Solve for x
    x = 1,223,500,619.50/40,043.06
  6. Step 6: Final answer
    x = 30,554.63

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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.