Home / 30,089.76-41,510.79-18,146.46

Finding the Fourth Proportional to 30,089.76, 41,510.79 and 18,146.46

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Solution

The fourth proportional to 30,089.76, 41,510.79 and 18,146.46 is: 25,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.76 : 41,510.79 = 18,146.46 : x
  2. Step 2: Convert to fraction form
    30,089.76/41,510.79 = 18,146.46/x
  3. Step 3: Cross multiply
    30,089.76x = 41,510.79 × 18,146.46
  4. Step 4: Simplify right side
    30,089.76x = 753,273,890.30
  5. Step 5: Solve for x
    x = 753,273,890.30/30,089.76
  6. Step 6: Final answer
    x = 25,034.23

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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.