Home / 53,647.76-74,031.72-29,775.44

Finding the Fourth Proportional to 53,647.76, 74,031.72 and 29,775.44

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Solution

The fourth proportional to 53,647.76, 74,031.72 and 29,775.44 is: 41,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,647.76 : 74,031.72 = 29,775.44 : x
  2. Step 2: Convert to fraction form
    53,647.76/74,031.72 = 29,775.44/x
  3. Step 3: Cross multiply
    53,647.76x = 74,031.72 × 29,775.44
  4. Step 4: Simplify right side
    53,647.76x = 2,204,327,036.96
  5. Step 5: Solve for x
    x = 2,204,327,036.96/53,647.76
  6. Step 6: Final answer
    x = 41,088.89

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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.