Home / 32,712.80-49,039.68-11,931.44

Finding the Fourth Proportional to 32,712.80, 49,039.68 and 11,931.44

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Solution

The fourth proportional to 32,712.80, 49,039.68 and 11,931.44 is: 17,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.80 : 49,039.68 = 11,931.44 : x
  2. Step 2: Convert to fraction form
    32,712.80/49,039.68 = 11,931.44/x
  3. Step 3: Cross multiply
    32,712.80x = 49,039.68 × 11,931.44
  4. Step 4: Simplify right side
    32,712.80x = 585,113,999.54
  5. Step 5: Solve for x
    x = 585,113,999.54/32,712.80
  6. Step 6: Final answer
    x = 17,886.39

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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.