Home / 56,244.32-84,337.72-18,790.88

Finding the Fourth Proportional to 56,244.32, 84,337.72 and 18,790.88

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Solution

The fourth proportional to 56,244.32, 84,337.72 and 18,790.88 is: 28,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,244.32 : 84,337.72 = 18,790.88 : x
  2. Step 2: Convert to fraction form
    56,244.32/84,337.72 = 18,790.88/x
  3. Step 3: Cross multiply
    56,244.32x = 84,337.72 × 18,790.88
  4. Step 4: Simplify right side
    56,244.32x = 1,584,779,975.99
  5. Step 5: Solve for x
    x = 1,584,779,975.99/56,244.32
  6. Step 6: Final answer
    x = 28,176.71

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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.