Home / 55,592.28-76,716.59-30,441.78

Finding the Fourth Proportional to 55,592.28, 76,716.59 and 30,441.78

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Solution

The fourth proportional to 55,592.28, 76,716.59 and 30,441.78 is: 42,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.28 : 76,716.59 = 30,441.78 : x
  2. Step 2: Convert to fraction form
    55,592.28/76,716.59 = 30,441.78/x
  3. Step 3: Cross multiply
    55,592.28x = 76,716.59 × 30,441.78
  4. Step 4: Simplify right side
    55,592.28x = 2,335,389,402.92
  5. Step 5: Solve for x
    x = 2,335,389,402.92/55,592.28
  6. Step 6: Final answer
    x = 42,009.24

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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.