Home / 32,683.40-48,990-12,934.52

Finding the Fourth Proportional to 32,683.40, 48,990 and 12,934.52

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Solution

The fourth proportional to 32,683.40, 48,990 and 12,934.52 is: 19,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,683.40 : 48,990 = 12,934.52 : x
  2. Step 2: Convert to fraction form
    32,683.40/48,990 = 12,934.52/x
  3. Step 3: Cross multiply
    32,683.40x = 48,990 × 12,934.52
  4. Step 4: Simplify right side
    32,683.40x = 633,662,134.80
  5. Step 5: Solve for x
    x = 633,662,134.80/32,683.40
  6. Step 6: Final answer
    x = 19,387.89

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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.