Home / 32,128.65-48,194.87-12,407.31

Finding the Fourth Proportional to 32,128.65, 48,194.87 and 12,407.31

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Solution

The fourth proportional to 32,128.65, 48,194.87 and 12,407.31 is: 18,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.65 : 48,194.87 = 12,407.31 : x
  2. Step 2: Convert to fraction form
    32,128.65/48,194.87 = 12,407.31/x
  3. Step 3: Cross multiply
    32,128.65x = 48,194.87 × 12,407.31
  4. Step 4: Simplify right side
    32,128.65x = 597,968,630.46
  5. Step 5: Solve for x
    x = 597,968,630.46/32,128.65
  6. Step 6: Final answer
    x = 18,611.69

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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.