Home / 34,772.81-47,986.05-18,857.07

Finding the Fourth Proportional to 34,772.81, 47,986.05 and 18,857.07

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Solution

The fourth proportional to 34,772.81, 47,986.05 and 18,857.07 is: 26,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.81 : 47,986.05 = 18,857.07 : x
  2. Step 2: Convert to fraction form
    34,772.81/47,986.05 = 18,857.07/x
  3. Step 3: Cross multiply
    34,772.81x = 47,986.05 × 18,857.07
  4. Step 4: Simplify right side
    34,772.81x = 904,876,063.94
  5. Step 5: Solve for x
    x = 904,876,063.94/34,772.81
  6. Step 6: Final answer
    x = 26,022.52

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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.