Home / 43,049.28-64,574.56-11,459.92

Finding the Fourth Proportional to 43,049.28, 64,574.56 and 11,459.92

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Solution

The fourth proportional to 43,049.28, 64,574.56 and 11,459.92 is: 17,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.28 : 64,574.56 = 11,459.92 : x
  2. Step 2: Convert to fraction form
    43,049.28/64,574.56 = 11,459.92/x
  3. Step 3: Cross multiply
    43,049.28x = 64,574.56 × 11,459.92
  4. Step 4: Simplify right side
    43,049.28x = 740,019,291.64
  5. Step 5: Solve for x
    x = 740,019,291.64/43,049.28
  6. Step 6: Final answer
    x = 17,190.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.