Home / 47,742.60-71,690.40-37,963.20

Finding the Fourth Proportional to 47,742.60, 71,690.40 and 37,963.20

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Solution

The fourth proportional to 47,742.60, 71,690.40 and 37,963.20 is: 57,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742.60 : 71,690.40 = 37,963.20 : x
  2. Step 2: Convert to fraction form
    47,742.60/71,690.40 = 37,963.20/x
  3. Step 3: Cross multiply
    47,742.60x = 71,690.40 × 37,963.20
  4. Step 4: Simplify right side
    47,742.60x = 2,721,596,993.28
  5. Step 5: Solve for x
    x = 2,721,596,993.28/47,742.60
  6. Step 6: Final answer
    x = 57,005.63

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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.