Home / 40,158.99-55,419.39-22,253.94

Finding the Fourth Proportional to 40,158.99, 55,419.39 and 22,253.94

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Solution

The fourth proportional to 40,158.99, 55,419.39 and 22,253.94 is: 30,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.99 : 55,419.39 = 22,253.94 : x
  2. Step 2: Convert to fraction form
    40,158.99/55,419.39 = 22,253.94/x
  3. Step 3: Cross multiply
    40,158.99x = 55,419.39 × 22,253.94
  4. Step 4: Simplify right side
    40,158.99x = 1,233,299,779.90
  5. Step 5: Solve for x
    x = 1,233,299,779.90/40,158.99
  6. Step 6: Final answer
    x = 30,710.43

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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.