Home / 30,160.49-41,533.75-28,235.06

Finding the Fourth Proportional to 30,160.49, 41,533.75 and 28,235.06

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Solution

The fourth proportional to 30,160.49, 41,533.75 and 28,235.06 is: 38,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.49 : 41,533.75 = 28,235.06 : x
  2. Step 2: Convert to fraction form
    30,160.49/41,533.75 = 28,235.06/x
  3. Step 3: Cross multiply
    30,160.49x = 41,533.75 × 28,235.06
  4. Step 4: Simplify right side
    30,160.49x = 1,172,707,923.28
  5. Step 5: Solve for x
    x = 1,172,707,923.28/30,160.49
  6. Step 6: Final answer
    x = 38,882.26

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1.5x scale

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.