Home / 53,148.78-73,348.65-29,275.44

Finding the Fourth Proportional to 53,148.78, 73,348.65 and 29,275.44

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Solution

The fourth proportional to 53,148.78, 73,348.65 and 29,275.44 is: 40,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.78 : 73,348.65 = 29,275.44 : x
  2. Step 2: Convert to fraction form
    53,148.78/73,348.65 = 29,275.44/x
  3. Step 3: Cross multiply
    53,148.78x = 73,348.65 × 29,275.44
  4. Step 4: Simplify right side
    53,148.78x = 2,147,314,002.16
  5. Step 5: Solve for x
    x = 2,147,314,002.16/53,148.78
  6. Step 6: Final answer
    x = 40,401.94

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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.