Home / 62,856-86,741.28-37,713.60

Finding the Fourth Proportional to 62,856, 86,741.28 and 37,713.60

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Solution

The fourth proportional to 62,856, 86,741.28 and 37,713.60 is: 52,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,856 : 86,741.28 = 37,713.60 : x
  2. Step 2: Convert to fraction form
    62,856/86,741.28 = 37,713.60/x
  3. Step 3: Cross multiply
    62,856x = 86,741.28 × 37,713.60
  4. Step 4: Simplify right side
    62,856x = 3,271,325,937.41
  5. Step 5: Solve for x
    x = 3,271,325,937.41/62,856
  6. Step 6: Final answer
    x = 52,044.77

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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.