Home / 58,405.45-87,628.50-18,430.60

Finding the Fourth Proportional to 58,405.45, 87,628.50 and 18,430.60

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Solution

The fourth proportional to 58,405.45, 87,628.50 and 18,430.60 is: 27,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,405.45 : 87,628.50 = 18,430.60 : x
  2. Step 2: Convert to fraction form
    58,405.45/87,628.50 = 18,430.60/x
  3. Step 3: Cross multiply
    58,405.45x = 87,628.50 × 18,430.60
  4. Step 4: Simplify right side
    58,405.45x = 1,615,045,832.10
  5. Step 5: Solve for x
    x = 1,615,045,832.10/58,405.45
  6. Step 6: Final answer
    x = 27,652.31

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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.