Home / 30,306.12-41,848.87-18,995.06

Finding the Fourth Proportional to 30,306.12, 41,848.87 and 18,995.06

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Solution

The fourth proportional to 30,306.12, 41,848.87 and 18,995.06 is: 26,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.12 : 41,848.87 = 18,995.06 : x
  2. Step 2: Convert to fraction form
    30,306.12/41,848.87 = 18,995.06/x
  3. Step 3: Cross multiply
    30,306.12x = 41,848.87 × 18,995.06
  4. Step 4: Simplify right side
    30,306.12x = 794,921,653.93
  5. Step 5: Solve for x
    x = 794,921,653.93/30,306.12
  6. Step 6: Final answer
    x = 26,229.74

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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.