Home / 40,622.34-55,934.20-35,558.22

Finding the Fourth Proportional to 40,622.34, 55,934.20 and 35,558.22

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Solution

The fourth proportional to 40,622.34, 55,934.20 and 35,558.22 is: 48,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622.34 : 55,934.20 = 35,558.22 : x
  2. Step 2: Convert to fraction form
    40,622.34/55,934.20 = 35,558.22/x
  3. Step 3: Cross multiply
    40,622.34x = 55,934.20 × 35,558.22
  4. Step 4: Simplify right side
    40,622.34x = 1,988,920,589.12
  5. Step 5: Solve for x
    x = 1,988,920,589.12/40,622.34
  6. Step 6: Final answer
    x = 48,961.25

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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.