Home / 30,343.49-45,520.70-9,283.13

Finding the Fourth Proportional to 30,343.49, 45,520.70 and 9,283.13

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Solution

The fourth proportional to 30,343.49, 45,520.70 and 9,283.13 is: 13,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.49 : 45,520.70 = 9,283.13 : x
  2. Step 2: Convert to fraction form
    30,343.49/45,520.70 = 9,283.13/x
  3. Step 3: Cross multiply
    30,343.49x = 45,520.70 × 9,283.13
  4. Step 4: Simplify right side
    30,343.49x = 422,574,613.56
  5. Step 5: Solve for x
    x = 422,574,613.56/30,343.49
  6. Step 6: Final answer
    x = 13,926.37

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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.