Home / 58,227.86-87,320.32-20,777.92

Finding the Fourth Proportional to 58,227.86, 87,320.32 and 20,777.92

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Solution

The fourth proportional to 58,227.86, 87,320.32 and 20,777.92 is: 31,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,227.86 : 87,320.32 = 20,777.92 : x
  2. Step 2: Convert to fraction form
    58,227.86/87,320.32 = 20,777.92/x
  3. Step 3: Cross multiply
    58,227.86x = 87,320.32 × 20,777.92
  4. Step 4: Simplify right side
    58,227.86x = 1,814,334,353.09
  5. Step 5: Solve for x
    x = 1,814,334,353.09/58,227.86
  6. Step 6: Final answer
    x = 31,159.21

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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.