Home / 58,439.46-87,668.42-18,987.36

Finding the Fourth Proportional to 58,439.46, 87,668.42 and 18,987.36

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Solution

The fourth proportional to 58,439.46, 87,668.42 and 18,987.36 is: 28,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.46 : 87,668.42 = 18,987.36 : x
  2. Step 2: Convert to fraction form
    58,439.46/87,668.42 = 18,987.36/x
  3. Step 3: Cross multiply
    58,439.46x = 87,668.42 × 18,987.36
  4. Step 4: Simplify right side
    58,439.46x = 1,664,591,756.23
  5. Step 5: Solve for x
    x = 1,664,591,756.23/58,439.46
  6. Step 6: Final answer
    x = 28,484.04

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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.