Home / 58,322.58-87,462.36-20,872.50

Finding the Fourth Proportional to 58,322.58, 87,462.36 and 20,872.50

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Solution

The fourth proportional to 58,322.58, 87,462.36 and 20,872.50 is: 31,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,322.58 : 87,462.36 = 20,872.50 : x
  2. Step 2: Convert to fraction form
    58,322.58/87,462.36 = 20,872.50/x
  3. Step 3: Cross multiply
    58,322.58x = 87,462.36 × 20,872.50
  4. Step 4: Simplify right side
    58,322.58x = 1,825,558,109.10
  5. Step 5: Solve for x
    x = 1,825,558,109.10/58,322.58
  6. Step 6: Final answer
    x = 31,301.05

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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.