Home / 51,173.18-70,624.18-28,515.86

Finding the Fourth Proportional to 51,173.18, 70,624.18 and 28,515.86

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Solution

The fourth proportional to 51,173.18, 70,624.18 and 28,515.86 is: 39,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.18 : 70,624.18 = 28,515.86 : x
  2. Step 2: Convert to fraction form
    51,173.18/70,624.18 = 28,515.86/x
  3. Step 3: Cross multiply
    51,173.18x = 70,624.18 × 28,515.86
  4. Step 4: Simplify right side
    51,173.18x = 2,013,908,805.08
  5. Step 5: Solve for x
    x = 2,013,908,805.08/51,173.18
  6. Step 6: Final answer
    x = 39,354.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.