Home / 51,415.08-77,034.60-28,057.92

Finding the Fourth Proportional to 51,415.08, 77,034.60 and 28,057.92

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Solution

The fourth proportional to 51,415.08, 77,034.60 and 28,057.92 is: 42,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.08 : 77,034.60 = 28,057.92 : x
  2. Step 2: Convert to fraction form
    51,415.08/77,034.60 = 28,057.92/x
  3. Step 3: Cross multiply
    51,415.08x = 77,034.60 × 28,057.92
  4. Step 4: Simplify right side
    51,415.08x = 2,161,430,644.03
  5. Step 5: Solve for x
    x = 2,161,430,644.03/51,415.08
  6. Step 6: Final answer
    x = 42,038.85

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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.