Home / 53,905.23-74,391.48-30,031.88

Finding the Fourth Proportional to 53,905.23, 74,391.48 and 30,031.88

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Solution

The fourth proportional to 53,905.23, 74,391.48 and 30,031.88 is: 41,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.23 : 74,391.48 = 30,031.88 : x
  2. Step 2: Convert to fraction form
    53,905.23/74,391.48 = 30,031.88/x
  3. Step 3: Cross multiply
    53,905.23x = 74,391.48 × 30,031.88
  4. Step 4: Simplify right side
    53,905.23x = 2,234,115,628.43
  5. Step 5: Solve for x
    x = 2,234,115,628.43/53,905.23
  6. Step 6: Final answer
    x = 41,445.25

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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.