Home / 32,927.70-49,390.35-13,200.90

Finding the Fourth Proportional to 32,927.70, 49,390.35 and 13,200.90

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Solution

The fourth proportional to 32,927.70, 49,390.35 and 13,200.90 is: 19,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.70 : 49,390.35 = 13,200.90 : x
  2. Step 2: Convert to fraction form
    32,927.70/49,390.35 = 13,200.90/x
  3. Step 3: Cross multiply
    32,927.70x = 49,390.35 × 13,200.90
  4. Step 4: Simplify right side
    32,927.70x = 651,997,071.32
  5. Step 5: Solve for x
    x = 651,997,071.32/32,927.70
  6. Step 6: Final answer
    x = 19,800.87

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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.