Home / 58,286.28-87,437.16-18,833.88

Finding the Fourth Proportional to 58,286.28, 87,437.16 and 18,833.88

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Solution

The fourth proportional to 58,286.28, 87,437.16 and 18,833.88 is: 28,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.28 : 87,437.16 = 18,833.88 : x
  2. Step 2: Convert to fraction form
    58,286.28/87,437.16 = 18,833.88/x
  3. Step 3: Cross multiply
    58,286.28x = 87,437.16 × 18,833.88
  4. Step 4: Simplify right side
    58,286.28x = 1,646,780,978.98
  5. Step 5: Solve for x
    x = 1,646,780,978.98/58,286.28
  6. Step 6: Final answer
    x = 28,253.32

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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.