Home / 38,160.76-57,241.16-30,730.36

Finding the Fourth Proportional to 38,160.76, 57,241.16 and 30,730.36

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Solution

The fourth proportional to 38,160.76, 57,241.16 and 30,730.36 is: 46,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,160.76 : 57,241.16 = 30,730.36 : x
  2. Step 2: Convert to fraction form
    38,160.76/57,241.16 = 30,730.36/x
  3. Step 3: Cross multiply
    38,160.76x = 57,241.16 × 30,730.36
  4. Step 4: Simplify right side
    38,160.76x = 1,759,041,453.62
  5. Step 5: Solve for x
    x = 1,759,041,453.62/38,160.76
  6. Step 6: Final answer
    x = 46,095.56

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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.