Home / 30,280.76-41,785.74-16,851.37

Finding the Fourth Proportional to 30,280.76, 41,785.74 and 16,851.37

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Solution

The fourth proportional to 30,280.76, 41,785.74 and 16,851.37 is: 23,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.76 : 41,785.74 = 16,851.37 : x
  2. Step 2: Convert to fraction form
    30,280.76/41,785.74 = 16,851.37/x
  3. Step 3: Cross multiply
    30,280.76x = 41,785.74 × 16,851.37
  4. Step 4: Simplify right side
    30,280.76x = 704,146,861.00
  5. Step 5: Solve for x
    x = 704,146,861.00/30,280.76
  6. Step 6: Final answer
    x = 23,253.93

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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.