Home / 66,304.78-99,460.44-18,926.83

Finding the Fourth Proportional to 66,304.78, 99,460.44 and 18,926.83

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Solution

The fourth proportional to 66,304.78, 99,460.44 and 18,926.83 is: 28,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.78 : 99,460.44 = 18,926.83 : x
  2. Step 2: Convert to fraction form
    66,304.78/99,460.44 = 18,926.83/x
  3. Step 3: Cross multiply
    66,304.78x = 99,460.44 × 18,926.83
  4. Step 4: Simplify right side
    66,304.78x = 1,882,470,839.61
  5. Step 5: Solve for x
    x = 1,882,470,839.61/66,304.78
  6. Step 6: Final answer
    x = 28,391.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.