Home / 51,649.35-77,638.05-48,696.90

Finding the Fourth Proportional to 51,649.35, 77,638.05 and 48,696.90

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Solution

The fourth proportional to 51,649.35, 77,638.05 and 48,696.90 is: 73,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.35 : 77,638.05 = 48,696.90 : x
  2. Step 2: Convert to fraction form
    51,649.35/77,638.05 = 48,696.90/x
  3. Step 3: Cross multiply
    51,649.35x = 77,638.05 × 48,696.90
  4. Step 4: Simplify right side
    51,649.35x = 3,780,732,357.05
  5. Step 5: Solve for x
    x = 3,780,732,357.05/51,649.35
  6. Step 6: Final answer
    x = 73,200.00

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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.