Home / 40,037.03-55,248.68-22,130.96

Finding the Fourth Proportional to 40,037.03, 55,248.68 and 22,130.96

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Solution

The fourth proportional to 40,037.03, 55,248.68 and 22,130.96 is: 30,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.03 : 55,248.68 = 22,130.96 : x
  2. Step 2: Convert to fraction form
    40,037.03/55,248.68 = 22,130.96/x
  3. Step 3: Cross multiply
    40,037.03x = 55,248.68 × 22,130.96
  4. Step 4: Simplify right side
    40,037.03x = 1,222,705,940.23
  5. Step 5: Solve for x
    x = 1,222,705,940.23/40,037.03
  6. Step 6: Final answer
    x = 30,539.38

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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.