Home / 51,386.20-77,064.90-16,336.60

Finding the Fourth Proportional to 51,386.20, 77,064.90 and 16,336.60

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Solution

The fourth proportional to 51,386.20, 77,064.90 and 16,336.60 is: 24,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.20 : 77,064.90 = 16,336.60 : x
  2. Step 2: Convert to fraction form
    51,386.20/77,064.90 = 16,336.60/x
  3. Step 3: Cross multiply
    51,386.20x = 77,064.90 × 16,336.60
  4. Step 4: Simplify right side
    51,386.20x = 1,258,978,445.34
  5. Step 5: Solve for x
    x = 1,258,978,445.34/51,386.20
  6. Step 6: Final answer
    x = 24,500.32

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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.