Home / 30,302.10-45,462.06-15,521.02

Finding the Fourth Proportional to 30,302.10, 45,462.06 and 15,521.02

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Solution

The fourth proportional to 30,302.10, 45,462.06 and 15,521.02 is: 23,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.10 : 45,462.06 = 15,521.02 : x
  2. Step 2: Convert to fraction form
    30,302.10/45,462.06 = 15,521.02/x
  3. Step 3: Cross multiply
    30,302.10x = 45,462.06 × 15,521.02
  4. Step 4: Simplify right side
    30,302.10x = 705,617,428.85
  5. Step 5: Solve for x
    x = 705,617,428.85/30,302.10
  6. Step 6: Final answer
    x = 23,286.09

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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.