Home / 58,285.24-87,406.43-20,835.16

Finding the Fourth Proportional to 58,285.24, 87,406.43 and 20,835.16

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Solution

The fourth proportional to 58,285.24, 87,406.43 and 20,835.16 is: 31,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,285.24 : 87,406.43 = 20,835.16 : x
  2. Step 2: Convert to fraction form
    58,285.24/87,406.43 = 20,835.16/x
  3. Step 3: Cross multiply
    58,285.24x = 87,406.43 × 20,835.16
  4. Step 4: Simplify right side
    58,285.24x = 1,821,126,631.39
  5. Step 5: Solve for x
    x = 1,821,126,631.39/58,285.24
  6. Step 6: Final answer
    x = 31,245.08

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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.