Home / 53,627.29-73,987.33-30,640.62

Finding the Fourth Proportional to 53,627.29, 73,987.33 and 30,640.62

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Solution

The fourth proportional to 53,627.29, 73,987.33 and 30,640.62 is: 42,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.29 : 73,987.33 = 30,640.62 : x
  2. Step 2: Convert to fraction form
    53,627.29/73,987.33 = 30,640.62/x
  3. Step 3: Cross multiply
    53,627.29x = 73,987.33 × 30,640.62
  4. Step 4: Simplify right side
    53,627.29x = 2,267,017,586.74
  5. Step 5: Solve for x
    x = 2,267,017,586.74/53,627.29
  6. Step 6: Final answer
    x = 42,273.58

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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.