Home / 53,018.91-73,166.25-30,358.25

Finding the Fourth Proportional to 53,018.91, 73,166.25 and 30,358.25

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Solution

The fourth proportional to 53,018.91, 73,166.25 and 30,358.25 is: 41,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.91 : 73,166.25 = 30,358.25 : x
  2. Step 2: Convert to fraction form
    53,018.91/73,166.25 = 30,358.25/x
  3. Step 3: Cross multiply
    53,018.91x = 73,166.25 × 30,358.25
  4. Step 4: Simplify right side
    53,018.91x = 2,221,198,943.23
  5. Step 5: Solve for x
    x = 2,221,198,943.23/53,018.91
  6. Step 6: Final answer
    x = 41,894.47

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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.