Home / 51,420.37-77,140.19-23,342.38

Finding the Fourth Proportional to 51,420.37, 77,140.19 and 23,342.38

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Solution

The fourth proportional to 51,420.37, 77,140.19 and 23,342.38 is: 35,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.37 : 77,140.19 = 23,342.38 : x
  2. Step 2: Convert to fraction form
    51,420.37/77,140.19 = 23,342.38/x
  3. Step 3: Cross multiply
    51,420.37x = 77,140.19 × 23,342.38
  4. Step 4: Simplify right side
    51,420.37x = 1,800,635,879.46
  5. Step 5: Solve for x
    x = 1,800,635,879.46/51,420.37
  6. Step 6: Final answer
    x = 35,017.95

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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.