Home / 51,451.74-77,176.53-16,390.62

Finding the Fourth Proportional to 51,451.74, 77,176.53 and 16,390.62

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Solution

The fourth proportional to 51,451.74, 77,176.53 and 16,390.62 is: 24,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.74 : 77,176.53 = 16,390.62 : x
  2. Step 2: Convert to fraction form
    51,451.74/77,176.53 = 16,390.62/x
  3. Step 3: Cross multiply
    51,451.74x = 77,176.53 × 16,390.62
  4. Step 4: Simplify right side
    51,451.74x = 1,264,971,176.15
  5. Step 5: Solve for x
    x = 1,264,971,176.15/51,451.74
  6. Step 6: Final answer
    x = 24,585.59

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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.