Home / 58,245.48-87,346.05-20,798.58

Finding the Fourth Proportional to 58,245.48, 87,346.05 and 20,798.58

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Solution

The fourth proportional to 58,245.48, 87,346.05 and 20,798.58 is: 31,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.48 : 87,346.05 = 20,798.58 : x
  2. Step 2: Convert to fraction form
    58,245.48/87,346.05 = 20,798.58/x
  3. Step 3: Cross multiply
    58,245.48x = 87,346.05 × 20,798.58
  4. Step 4: Simplify right side
    58,245.48x = 1,816,673,808.61
  5. Step 5: Solve for x
    x = 1,816,673,808.61/58,245.48
  6. Step 6: Final answer
    x = 31,189.95

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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.