Home / 58,004.60-86,982.33-20,574.10

Finding the Fourth Proportional to 58,004.60, 86,982.33 and 20,574.10

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Solution

The fourth proportional to 58,004.60, 86,982.33 and 20,574.10 is: 30,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,004.60 : 86,982.33 = 20,574.10 : x
  2. Step 2: Convert to fraction form
    58,004.60/86,982.33 = 20,574.10/x
  3. Step 3: Cross multiply
    58,004.60x = 86,982.33 × 20,574.10
  4. Step 4: Simplify right side
    58,004.60x = 1,789,582,720.74
  5. Step 5: Solve for x
    x = 1,789,582,720.74/58,004.60
  6. Step 6: Final answer
    x = 30,852.43

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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.