Home / 47,851.56-66,025.53-28,977.75

Finding the Fourth Proportional to 47,851.56, 66,025.53 and 28,977.75

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Solution

The fourth proportional to 47,851.56, 66,025.53 and 28,977.75 is: 39,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.56 : 66,025.53 = 28,977.75 : x
  2. Step 2: Convert to fraction form
    47,851.56/66,025.53 = 28,977.75/x
  3. Step 3: Cross multiply
    47,851.56x = 66,025.53 × 28,977.75
  4. Step 4: Simplify right side
    47,851.56x = 1,913,271,301.96
  5. Step 5: Solve for x
    x = 1,913,271,301.96/47,851.56
  6. Step 6: Final answer
    x = 39,983.47

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Why These Related Problems?

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