Home / 61,977.02-92,840.78-28,651.19

Finding the Fourth Proportional to 61,977.02, 92,840.78 and 28,651.19

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Solution

The fourth proportional to 61,977.02, 92,840.78 and 28,651.19 is: 42,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.02 : 92,840.78 = 28,651.19 : x
  2. Step 2: Convert to fraction form
    61,977.02/92,840.78 = 28,651.19/x
  3. Step 3: Cross multiply
    61,977.02x = 92,840.78 × 28,651.19
  4. Step 4: Simplify right side
    61,977.02x = 2,659,998,434.95
  5. Step 5: Solve for x
    x = 2,659,998,434.95/61,977.02
  6. Step 6: Final answer
    x = 42,919.11

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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.