Home / 53,387.89-73,671.59-29,512.69

Finding the Fourth Proportional to 53,387.89, 73,671.59 and 29,512.69

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Solution

The fourth proportional to 53,387.89, 73,671.59 and 29,512.69 is: 40,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387.89 : 73,671.59 = 29,512.69 : x
  2. Step 2: Convert to fraction form
    53,387.89/73,671.59 = 29,512.69/x
  3. Step 3: Cross multiply
    53,387.89x = 73,671.59 × 29,512.69
  4. Step 4: Simplify right side
    53,387.89x = 2,174,246,687.08
  5. Step 5: Solve for x
    x = 2,174,246,687.08/53,387.89
  6. Step 6: Final answer
    x = 40,725.46

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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.