Home / 53,354.30-73,630.49-31,856.63

Finding the Fourth Proportional to 53,354.30, 73,630.49 and 31,856.63

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Solution

The fourth proportional to 53,354.30, 73,630.49 and 31,856.63 is: 43,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,354.30 : 73,630.49 = 31,856.63 : x
  2. Step 2: Convert to fraction form
    53,354.30/73,630.49 = 31,856.63/x
  3. Step 3: Cross multiply
    53,354.30x = 73,630.49 × 31,856.63
  4. Step 4: Simplify right side
    53,354.30x = 2,345,618,749.21
  5. Step 5: Solve for x
    x = 2,345,618,749.21/53,354.30
  6. Step 6: Final answer
    x = 43,963.07

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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.