Home / 53,447.22-73,748.85-30,787.14

Finding the Fourth Proportional to 53,447.22, 73,748.85 and 30,787.14

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Solution

The fourth proportional to 53,447.22, 73,748.85 and 30,787.14 is: 42,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447.22 : 73,748.85 = 30,787.14 : x
  2. Step 2: Convert to fraction form
    53,447.22/73,748.85 = 30,787.14/x
  3. Step 3: Cross multiply
    53,447.22x = 73,748.85 × 30,787.14
  4. Step 4: Simplify right side
    53,447.22x = 2,270,516,169.79
  5. Step 5: Solve for x
    x = 2,270,516,169.79/53,447.22
  6. Step 6: Final answer
    x = 42,481.46

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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.