Home / 40,015.64-55,220.10-22,110.27

Finding the Fourth Proportional to 40,015.64, 55,220.10 and 22,110.27

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Solution

The fourth proportional to 40,015.64, 55,220.10 and 22,110.27 is: 30,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.64 : 55,220.10 = 22,110.27 : x
  2. Step 2: Convert to fraction form
    40,015.64/55,220.10 = 22,110.27/x
  3. Step 3: Cross multiply
    40,015.64x = 55,220.10 × 22,110.27
  4. Step 4: Simplify right side
    40,015.64x = 1,220,931,320.43
  5. Step 5: Solve for x
    x = 1,220,931,320.43/40,015.64
  6. Step 6: Final answer
    x = 30,511.35

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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.