Home / 30,159.49-41,532.37-28,234.06

Finding the Fourth Proportional to 30,159.49, 41,532.37 and 28,234.06

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Solution

The fourth proportional to 30,159.49, 41,532.37 and 28,234.06 is: 38,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.49 : 41,532.37 = 28,234.06 : x
  2. Step 2: Convert to fraction form
    30,159.49/41,532.37 = 28,234.06/x
  3. Step 3: Cross multiply
    30,159.49x = 41,532.37 × 28,234.06
  4. Step 4: Simplify right side
    30,159.49x = 1,172,627,426.52
  5. Step 5: Solve for x
    x = 1,172,627,426.52/30,159.49
  6. Step 6: Final answer
    x = 38,880.88

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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.