Home / 30,337.44-45,524.64-20,742.24

Finding the Fourth Proportional to 30,337.44, 45,524.64 and 20,742.24

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Solution

The fourth proportional to 30,337.44, 45,524.64 and 20,742.24 is: 31,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.44 : 45,524.64 = 20,742.24 : x
  2. Step 2: Convert to fraction form
    30,337.44/45,524.64 = 20,742.24/x
  3. Step 3: Cross multiply
    30,337.44x = 45,524.64 × 20,742.24
  4. Step 4: Simplify right side
    30,337.44x = 944,283,008.79
  5. Step 5: Solve for x
    x = 944,283,008.79/30,337.44
  6. Step 6: Final answer
    x = 31,126.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.