Home / 47,899.95-66,128.52-28,784.44

Finding the Fourth Proportional to 47,899.95, 66,128.52 and 28,784.44

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Solution

The fourth proportional to 47,899.95, 66,128.52 and 28,784.44 is: 39,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,899.95 : 66,128.52 = 28,784.44 : x
  2. Step 2: Convert to fraction form
    47,899.95/66,128.52 = 28,784.44/x
  3. Step 3: Cross multiply
    47,899.95x = 66,128.52 × 28,784.44
  4. Step 4: Simplify right side
    47,899.95x = 1,903,472,416.23
  5. Step 5: Solve for x
    x = 1,903,472,416.23/47,899.95
  6. Step 6: Final answer
    x = 39,738.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.