Home / 53,432.64-73,742.58-30,772.44

Finding the Fourth Proportional to 53,432.64, 73,742.58 and 30,772.44

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Solution

The fourth proportional to 53,432.64, 73,742.58 and 30,772.44 is: 42,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,432.64 : 73,742.58 = 30,772.44 : x
  2. Step 2: Convert to fraction form
    53,432.64/73,742.58 = 30,772.44/x
  3. Step 3: Cross multiply
    53,432.64x = 73,742.58 × 30,772.44
  4. Step 4: Simplify right side
    53,432.64x = 2,269,239,118.50
  5. Step 5: Solve for x
    x = 2,269,239,118.50/53,432.64
  6. Step 6: Final answer
    x = 42,469.16

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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.