Home / 30,516.42-45,589.67-19,333.62

Finding the Fourth Proportional to 30,516.42, 45,589.67 and 19,333.62

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Solution

The fourth proportional to 30,516.42, 45,589.67 and 19,333.62 is: 28,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.42 : 45,589.67 = 19,333.62 : x
  2. Step 2: Convert to fraction form
    30,516.42/45,589.67 = 19,333.62/x
  3. Step 3: Cross multiply
    30,516.42x = 45,589.67 × 19,333.62
  4. Step 4: Simplify right side
    30,516.42x = 881,413,259.04
  5. Step 5: Solve for x
    x = 881,413,259.04/30,516.42
  6. Step 6: Final answer
    x = 28,883.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.