Home / 34,884.71-48,140.79-18,969.20

Finding the Fourth Proportional to 34,884.71, 48,140.79 and 18,969.20

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Solution

The fourth proportional to 34,884.71, 48,140.79 and 18,969.20 is: 26,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,884.71 : 48,140.79 = 18,969.20 : x
  2. Step 2: Convert to fraction form
    34,884.71/48,140.79 = 18,969.20/x
  3. Step 3: Cross multiply
    34,884.71x = 48,140.79 × 18,969.20
  4. Step 4: Simplify right side
    34,884.71x = 913,192,273.67
  5. Step 5: Solve for x
    x = 913,192,273.67/34,884.71
  6. Step 6: Final answer
    x = 26,177.44

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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.