Home / 30,307.54-45,443.25-12,524.38

Finding the Fourth Proportional to 30,307.54, 45,443.25 and 12,524.38

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Solution

The fourth proportional to 30,307.54, 45,443.25 and 12,524.38 is: 18,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.54 : 45,443.25 = 12,524.38 : x
  2. Step 2: Convert to fraction form
    30,307.54/45,443.25 = 12,524.38/x
  3. Step 3: Cross multiply
    30,307.54x = 45,443.25 × 12,524.38
  4. Step 4: Simplify right side
    30,307.54x = 569,148,531.44
  5. Step 5: Solve for x
    x = 569,148,531.44/30,307.54
  6. Step 6: Final answer
    x = 18,779.11

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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.