Home / 53,513.91-73,848.09-29,640.78

Finding the Fourth Proportional to 53,513.91, 73,848.09 and 29,640.78

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Solution

The fourth proportional to 53,513.91, 73,848.09 and 29,640.78 is: 40,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.91 : 73,848.09 = 29,640.78 : x
  2. Step 2: Convert to fraction form
    53,513.91/73,848.09 = 29,640.78/x
  3. Step 3: Cross multiply
    53,513.91x = 73,848.09 × 29,640.78
  4. Step 4: Simplify right side
    53,513.91x = 2,188,914,989.11
  5. Step 5: Solve for x
    x = 2,188,914,989.11/53,513.91
  6. Step 6: Final answer
    x = 40,903.66

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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.