Home / 30,308.04-45,444-12,524.88

Finding the Fourth Proportional to 30,308.04, 45,444 and 12,524.88

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Solution

The fourth proportional to 30,308.04, 45,444 and 12,524.88 is: 18,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.04 : 45,444 = 12,524.88 : x
  2. Step 2: Convert to fraction form
    30,308.04/45,444 = 12,524.88/x
  3. Step 3: Cross multiply
    30,308.04x = 45,444 × 12,524.88
  4. Step 4: Simplify right side
    30,308.04x = 569,180,646.72
  5. Step 5: Solve for x
    x = 569,180,646.72/30,308.04
  6. Step 6: Final answer
    x = 18,779.86

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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.