Home / 58,263.30-87,396.77-18,820.76

Finding the Fourth Proportional to 58,263.30, 87,396.77 and 18,820.76

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Solution

The fourth proportional to 58,263.30, 87,396.77 and 18,820.76 is: 28,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,263.30 : 87,396.77 = 18,820.76 : x
  2. Step 2: Convert to fraction form
    58,263.30/87,396.77 = 18,820.76/x
  3. Step 3: Cross multiply
    58,263.30x = 87,396.77 × 18,820.76
  4. Step 4: Simplify right side
    58,263.30x = 1,644,873,243.01
  5. Step 5: Solve for x
    x = 1,644,873,243.01/58,263.30
  6. Step 6: Final answer
    x = 28,231.72

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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.