Home / 52,038.74-78,099.60-18,782.12

Finding the Fourth Proportional to 52,038.74, 78,099.60 and 18,782.12

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Solution

The fourth proportional to 52,038.74, 78,099.60 and 18,782.12 is: 28,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.74 : 78,099.60 = 18,782.12 : x
  2. Step 2: Convert to fraction form
    52,038.74/78,099.60 = 18,782.12/x
  3. Step 3: Cross multiply
    52,038.74x = 78,099.60 × 18,782.12
  4. Step 4: Simplify right side
    52,038.74x = 1,466,876,059.15
  5. Step 5: Solve for x
    x = 1,466,876,059.15/52,038.74
  6. Step 6: Final answer
    x = 28,188.15

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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.