Home / 51,484.55-77,281.40-45,599.64

Finding the Fourth Proportional to 51,484.55, 77,281.40 and 45,599.64

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Solution

The fourth proportional to 51,484.55, 77,281.40 and 45,599.64 is: 68,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,484.55 : 77,281.40 = 45,599.64 : x
  2. Step 2: Convert to fraction form
    51,484.55/77,281.40 = 45,599.64/x
  3. Step 3: Cross multiply
    51,484.55x = 77,281.40 × 45,599.64
  4. Step 4: Simplify right side
    51,484.55x = 3,524,003,842.89
  5. Step 5: Solve for x
    x = 3,524,003,842.89/51,484.55
  6. Step 6: Final answer
    x = 68,447.80

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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.