Home / 34,754.55-47,959.99-18,838.65

Finding the Fourth Proportional to 34,754.55, 47,959.99 and 18,838.65

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Solution

The fourth proportional to 34,754.55, 47,959.99 and 18,838.65 is: 25,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,754.55 : 47,959.99 = 18,838.65 : x
  2. Step 2: Convert to fraction form
    34,754.55/47,959.99 = 18,838.65/x
  3. Step 3: Cross multiply
    34,754.55x = 47,959.99 × 18,838.65
  4. Step 4: Simplify right side
    34,754.55x = 903,501,371.42
  5. Step 5: Solve for x
    x = 903,501,371.42/34,754.55
  6. Step 6: Final answer
    x = 25,996.64

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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.