Home / 38,412.30-57,564.45-30,528.30

Finding the Fourth Proportional to 38,412.30, 57,564.45 and 30,528.30

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Solution

The fourth proportional to 38,412.30, 57,564.45 and 30,528.30 is: 45,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.30 : 57,564.45 = 30,528.30 : x
  2. Step 2: Convert to fraction form
    38,412.30/57,564.45 = 30,528.30/x
  3. Step 3: Cross multiply
    38,412.30x = 57,564.45 × 30,528.30
  4. Step 4: Simplify right side
    38,412.30x = 1,757,344,798.94
  5. Step 5: Solve for x
    x = 1,757,344,798.94/38,412.30
  6. Step 6: Final answer
    x = 45,749.53

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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.