Home / 38,454.60-53,048.28-33,140.16

Finding the Fourth Proportional to 38,454.60, 53,048.28 and 33,140.16

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Solution

The fourth proportional to 38,454.60, 53,048.28 and 33,140.16 is: 45,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.60 : 53,048.28 = 33,140.16 : x
  2. Step 2: Convert to fraction form
    38,454.60/53,048.28 = 33,140.16/x
  3. Step 3: Cross multiply
    38,454.60x = 53,048.28 × 33,140.16
  4. Step 4: Simplify right side
    38,454.60x = 1,758,028,486.92
  5. Step 5: Solve for x
    x = 1,758,028,486.92/38,454.60
  6. Step 6: Final answer
    x = 45,716.99

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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.