Home / 53,005.74-73,148.78-30,344.64

Finding the Fourth Proportional to 53,005.74, 73,148.78 and 30,344.64

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Solution

The fourth proportional to 53,005.74, 73,148.78 and 30,344.64 is: 41,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.74 : 73,148.78 = 30,344.64 : x
  2. Step 2: Convert to fraction form
    53,005.74/73,148.78 = 30,344.64/x
  3. Step 3: Cross multiply
    53,005.74x = 73,148.78 × 30,344.64
  4. Step 4: Simplify right side
    53,005.74x = 2,219,672,878.07
  5. Step 5: Solve for x
    x = 2,219,672,878.07/53,005.74
  6. Step 6: Final answer
    x = 41,876.09

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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.