Home / 57,527.64-79,357.70-39,591.51

Finding the Fourth Proportional to 57,527.64, 79,357.70 and 39,591.51

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Solution

The fourth proportional to 57,527.64, 79,357.70 and 39,591.51 is: 54,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,527.64 : 79,357.70 = 39,591.51 : x
  2. Step 2: Convert to fraction form
    57,527.64/79,357.70 = 39,591.51/x
  3. Step 3: Cross multiply
    57,527.64x = 79,357.70 × 39,591.51
  4. Step 4: Simplify right side
    57,527.64x = 3,141,891,173.13
  5. Step 5: Solve for x
    x = 3,141,891,173.13/57,527.64
  6. Step 6: Final answer
    x = 54,615.33

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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.