Home / 58,309.23-87,442.43-20,859.15

Finding the Fourth Proportional to 58,309.23, 87,442.43 and 20,859.15

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Solution

The fourth proportional to 58,309.23, 87,442.43 and 20,859.15 is: 31,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,309.23 : 87,442.43 = 20,859.15 : x
  2. Step 2: Convert to fraction form
    58,309.23/87,442.43 = 20,859.15/x
  3. Step 3: Cross multiply
    58,309.23x = 87,442.43 × 20,859.15
  4. Step 4: Simplify right side
    58,309.23x = 1,823,974,659.44
  5. Step 5: Solve for x
    x = 1,823,974,659.44/58,309.23
  6. Step 6: Final answer
    x = 31,281.06

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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.