Home / 30,125.61-41,573.30-18,186.62

Finding the Fourth Proportional to 30,125.61, 41,573.30 and 18,186.62

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Solution

The fourth proportional to 30,125.61, 41,573.30 and 18,186.62 is: 25,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.61 : 41,573.30 = 18,186.62 : x
  2. Step 2: Convert to fraction form
    30,125.61/41,573.30 = 18,186.62/x
  3. Step 3: Cross multiply
    30,125.61x = 41,573.30 × 18,186.62
  4. Step 4: Simplify right side
    30,125.61x = 756,077,510.45
  5. Step 5: Solve for x
    x = 756,077,510.45/30,125.61
  6. Step 6: Final answer
    x = 25,097.50

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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.