Home / 51,034.24-70,433.76-28,678.24

Finding the Fourth Proportional to 51,034.24, 70,433.76 and 28,678.24

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Solution

The fourth proportional to 51,034.24, 70,433.76 and 28,678.24 is: 39,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.24 : 70,433.76 = 28,678.24 : x
  2. Step 2: Convert to fraction form
    51,034.24/70,433.76 = 28,678.24/x
  3. Step 3: Cross multiply
    51,034.24x = 70,433.76 × 28,678.24
  4. Step 4: Simplify right side
    51,034.24x = 2,019,916,273.38
  5. Step 5: Solve for x
    x = 2,019,916,273.38/51,034.24
  6. Step 6: Final answer
    x = 39,579.63

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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.