Home / 38,845.28-53,636.65-30,332.64

Finding the Fourth Proportional to 38,845.28, 53,636.65 and 30,332.64

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Solution

The fourth proportional to 38,845.28, 53,636.65 and 30,332.64 is: 41,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.28 : 53,636.65 = 30,332.64 : x
  2. Step 2: Convert to fraction form
    38,845.28/53,636.65 = 30,332.64/x
  3. Step 3: Cross multiply
    38,845.28x = 53,636.65 × 30,332.64
  4. Step 4: Simplify right side
    38,845.28x = 1,626,941,119.42
  5. Step 5: Solve for x
    x = 1,626,941,119.42/38,845.28
  6. Step 6: Final answer
    x = 41,882.59

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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.