Home / 30,344.42-45,516.62-19,953.74

Finding the Fourth Proportional to 30,344.42, 45,516.62 and 19,953.74

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Solution

The fourth proportional to 30,344.42, 45,516.62 and 19,953.74 is: 29,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.42 : 45,516.62 = 19,953.74 : x
  2. Step 2: Convert to fraction form
    30,344.42/45,516.62 = 19,953.74/x
  3. Step 3: Cross multiply
    30,344.42x = 45,516.62 × 19,953.74
  4. Step 4: Simplify right side
    30,344.42x = 908,226,623.46
  5. Step 5: Solve for x
    x = 908,226,623.46/30,344.42
  6. Step 6: Final answer
    x = 29,930.60

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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.