Home / 50,575.37-75,871.26-18,987.91

Finding the Fourth Proportional to 50,575.37, 75,871.26 and 18,987.91

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Solution

The fourth proportional to 50,575.37, 75,871.26 and 18,987.91 is: 28,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,575.37 : 75,871.26 = 18,987.91 : x
  2. Step 2: Convert to fraction form
    50,575.37/75,871.26 = 18,987.91/x
  3. Step 3: Cross multiply
    50,575.37x = 75,871.26 × 18,987.91
  4. Step 4: Simplify right side
    50,575.37x = 1,440,636,466.79
  5. Step 5: Solve for x
    x = 1,440,636,466.79/50,575.37
  6. Step 6: Final answer
    x = 28,484.94

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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.