Home / 32,770.20-49,145.70-11,707.80

Finding the Fourth Proportional to 32,770.20, 49,145.70 and 11,707.80

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Solution

The fourth proportional to 32,770.20, 49,145.70 and 11,707.80 is: 17,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,770.20 : 49,145.70 = 11,707.80 : x
  2. Step 2: Convert to fraction form
    32,770.20/49,145.70 = 11,707.80/x
  3. Step 3: Cross multiply
    32,770.20x = 49,145.70 × 11,707.80
  4. Step 4: Simplify right side
    32,770.20x = 575,388,026.46
  5. Step 5: Solve for x
    x = 575,388,026.46/32,770.20
  6. Step 6: Final answer
    x = 17,558.27

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1.5x scale

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.