Home / 30,442.08-45,672.88-12,926.64

Finding the Fourth Proportional to 30,442.08, 45,672.88 and 12,926.64

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Solution

The fourth proportional to 30,442.08, 45,672.88 and 12,926.64 is: 19,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442.08 : 45,672.88 = 12,926.64 : x
  2. Step 2: Convert to fraction form
    30,442.08/45,672.88 = 12,926.64/x
  3. Step 3: Cross multiply
    30,442.08x = 45,672.88 × 12,926.64
  4. Step 4: Simplify right side
    30,442.08x = 590,396,877.52
  5. Step 5: Solve for x
    x = 590,396,877.52/30,442.08
  6. Step 6: Final answer
    x = 19,394.10

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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.