Home / 30,082.68-45,123.07-14,299.06

Finding the Fourth Proportional to 30,082.68, 45,123.07 and 14,299.06

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Solution

The fourth proportional to 30,082.68, 45,123.07 and 14,299.06 is: 21,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.68 : 45,123.07 = 14,299.06 : x
  2. Step 2: Convert to fraction form
    30,082.68/45,123.07 = 14,299.06/x
  3. Step 3: Cross multiply
    30,082.68x = 45,123.07 × 14,299.06
  4. Step 4: Simplify right side
    30,082.68x = 645,217,485.31
  5. Step 5: Solve for x
    x = 645,217,485.31/30,082.68
  6. Step 6: Final answer
    x = 21,448.14

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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.