Home / 57,950.68-86,925.30-18,507.28

Finding the Fourth Proportional to 57,950.68, 86,925.30 and 18,507.28

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Solution

The fourth proportional to 57,950.68, 86,925.30 and 18,507.28 is: 27,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.68 : 86,925.30 = 18,507.28 : x
  2. Step 2: Convert to fraction form
    57,950.68/86,925.30 = 18,507.28/x
  3. Step 3: Cross multiply
    57,950.68x = 86,925.30 × 18,507.28
  4. Step 4: Simplify right side
    57,950.68x = 1,608,750,866.18
  5. Step 5: Solve for x
    x = 1,608,750,866.18/57,950.68
  6. Step 6: Final answer
    x = 27,760.69

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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.