Home / 53,906.40-74,389.24-30,031.60

Finding the Fourth Proportional to 53,906.40, 74,389.24 and 30,031.60

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Solution

The fourth proportional to 53,906.40, 74,389.24 and 30,031.60 is: 41,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.40 : 74,389.24 = 30,031.60 : x
  2. Step 2: Convert to fraction form
    53,906.40/74,389.24 = 30,031.60/x
  3. Step 3: Cross multiply
    53,906.40x = 74,389.24 × 30,031.60
  4. Step 4: Simplify right side
    53,906.40x = 2,234,027,899.98
  5. Step 5: Solve for x
    x = 2,234,027,899.98/53,906.40
  6. Step 6: Final answer
    x = 41,442.72

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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.