Home / 56,935.90-85,456.10-28,875.48

Finding the Fourth Proportional to 56,935.90, 85,456.10 and 28,875.48

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Solution

The fourth proportional to 56,935.90, 85,456.10 and 28,875.48 is: 43,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.90 : 85,456.10 = 28,875.48 : x
  2. Step 2: Convert to fraction form
    56,935.90/85,456.10 = 28,875.48/x
  3. Step 3: Cross multiply
    56,935.90x = 85,456.10 × 28,875.48
  4. Step 4: Simplify right side
    56,935.90x = 2,467,585,906.43
  5. Step 5: Solve for x
    x = 2,467,585,906.43/56,935.90
  6. Step 6: Final answer
    x = 43,339.72

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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.