Home / 34,642.30-47,795.48-21,199.54

Finding the Fourth Proportional to 34,642.30, 47,795.48 and 21,199.54

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Solution

The fourth proportional to 34,642.30, 47,795.48 and 21,199.54 is: 29,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.30 : 47,795.48 = 21,199.54 : x
  2. Step 2: Convert to fraction form
    34,642.30/47,795.48 = 21,199.54/x
  3. Step 3: Cross multiply
    34,642.30x = 47,795.48 × 21,199.54
  4. Step 4: Simplify right side
    34,642.30x = 1,013,242,190.08
  5. Step 5: Solve for x
    x = 1,013,242,190.08/34,642.30
  6. Step 6: Final answer
    x = 29,248.70

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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.