Home / 49,430.08-74,145.12-12,494.08

Finding the Fourth Proportional to 49,430.08, 74,145.12 and 12,494.08

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Solution

The fourth proportional to 49,430.08, 74,145.12 and 12,494.08 is: 18,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.08 : 74,145.12 = 12,494.08 : x
  2. Step 2: Convert to fraction form
    49,430.08/74,145.12 = 12,494.08/x
  3. Step 3: Cross multiply
    49,430.08x = 74,145.12 × 12,494.08
  4. Step 4: Simplify right side
    49,430.08x = 926,375,060.89
  5. Step 5: Solve for x
    x = 926,375,060.89/49,430.08
  6. Step 6: Final answer
    x = 18,741.12

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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.