Home / 38,039.04-57,007.62-21,390.84

Finding the Fourth Proportional to 38,039.04, 57,007.62 and 21,390.84

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Solution

The fourth proportional to 38,039.04, 57,007.62 and 21,390.84 is: 32,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.04 : 57,007.62 = 21,390.84 : x
  2. Step 2: Convert to fraction form
    38,039.04/57,007.62 = 21,390.84/x
  3. Step 3: Cross multiply
    38,039.04x = 57,007.62 × 21,390.84
  4. Step 4: Simplify right side
    38,039.04x = 1,219,440,878.20
  5. Step 5: Solve for x
    x = 1,219,440,878.20/38,039.04
  6. Step 6: Final answer
    x = 32,057.61

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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.