Home / 53,511.79-73,845.45-29,312.56

Finding the Fourth Proportional to 53,511.79, 73,845.45 and 29,312.56

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Solution

The fourth proportional to 53,511.79, 73,845.45 and 29,312.56 is: 40,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.79 : 73,845.45 = 29,312.56 : x
  2. Step 2: Convert to fraction form
    53,511.79/73,845.45 = 29,312.56/x
  3. Step 3: Cross multiply
    53,511.79x = 73,845.45 × 29,312.56
  4. Step 4: Simplify right side
    53,511.79x = 2,164,598,814.62
  5. Step 5: Solve for x
    x = 2,164,598,814.62/53,511.79
  6. Step 6: Final answer
    x = 40,450.88

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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.