Home / 53,232.38-73,465.86-39,780.28

Finding the Fourth Proportional to 53,232.38, 73,465.86 and 39,780.28

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Solution

The fourth proportional to 53,232.38, 73,465.86 and 39,780.28 is: 54,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,232.38 : 73,465.86 = 39,780.28 : x
  2. Step 2: Convert to fraction form
    53,232.38/73,465.86 = 39,780.28/x
  3. Step 3: Cross multiply
    53,232.38x = 73,465.86 × 39,780.28
  4. Step 4: Simplify right side
    53,232.38x = 2,922,492,481.24
  5. Step 5: Solve for x
    x = 2,922,492,481.24/53,232.38
  6. Step 6: Final answer
    x = 54,900.65

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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.