Home / 58,618.25-87,909.41-21,173.70

Finding the Fourth Proportional to 58,618.25, 87,909.41 and 21,173.70

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Solution

The fourth proportional to 58,618.25, 87,909.41 and 21,173.70 is: 31,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.25 : 87,909.41 = 21,173.70 : x
  2. Step 2: Convert to fraction form
    58,618.25/87,909.41 = 21,173.70/x
  3. Step 3: Cross multiply
    58,618.25x = 87,909.41 × 21,173.70
  4. Step 4: Simplify right side
    58,618.25x = 1,861,367,368.65
  5. Step 5: Solve for x
    x = 1,861,367,368.65/58,618.25
  6. Step 6: Final answer
    x = 31,754.06

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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.