Home / 52,256.27-78,330.72-20,653.49

Finding the Fourth Proportional to 52,256.27, 78,330.72 and 20,653.49

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Solution

The fourth proportional to 52,256.27, 78,330.72 and 20,653.49 is: 30,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.27 : 78,330.72 = 20,653.49 : x
  2. Step 2: Convert to fraction form
    52,256.27/78,330.72 = 20,653.49/x
  3. Step 3: Cross multiply
    52,256.27x = 78,330.72 × 20,653.49
  4. Step 4: Simplify right side
    52,256.27x = 1,617,802,742.21
  5. Step 5: Solve for x
    x = 1,617,802,742.21/52,256.27
  6. Step 6: Final answer
    x = 30,959.02

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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.