Home / 40,156.12-55,412.94-22,250.08

Finding the Fourth Proportional to 40,156.12, 55,412.94 and 22,250.08

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Solution

The fourth proportional to 40,156.12, 55,412.94 and 22,250.08 is: 30,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.12 : 55,412.94 = 22,250.08 : x
  2. Step 2: Convert to fraction form
    40,156.12/55,412.94 = 22,250.08/x
  3. Step 3: Cross multiply
    40,156.12x = 55,412.94 × 22,250.08
  4. Step 4: Simplify right side
    40,156.12x = 1,232,942,348.04
  5. Step 5: Solve for x
    x = 1,232,942,348.04/40,156.12
  6. Step 6: Final answer
    x = 30,703.72

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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.