Home / 42,011.28-57,975.21-23,148

Finding the Fourth Proportional to 42,011.28, 57,975.21 and 23,148

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Solution

The fourth proportional to 42,011.28, 57,975.21 and 23,148 is: 31,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.28 : 57,975.21 = 23,148 : x
  2. Step 2: Convert to fraction form
    42,011.28/57,975.21 = 23,148/x
  3. Step 3: Cross multiply
    42,011.28x = 57,975.21 × 23,148
  4. Step 4: Simplify right side
    42,011.28x = 1,342,010,161.08
  5. Step 5: Solve for x
    x = 1,342,010,161.08/42,011.28
  6. Step 6: Final answer
    x = 31,944.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.