Home / 34,190.78-51,287.76-10,497.38

Finding the Fourth Proportional to 34,190.78, 51,287.76 and 10,497.38

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Solution

The fourth proportional to 34,190.78, 51,287.76 and 10,497.38 is: 15,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.78 : 51,287.76 = 10,497.38 : x
  2. Step 2: Convert to fraction form
    34,190.78/51,287.76 = 10,497.38/x
  3. Step 3: Cross multiply
    34,190.78x = 51,287.76 × 10,497.38
  4. Step 4: Simplify right side
    34,190.78x = 538,386,849.63
  5. Step 5: Solve for x
    x = 538,386,849.63/34,190.78
  6. Step 6: Final answer
    x = 15,746.55

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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.