Home / 34,455.12-47,553.27-21,034.20

Finding the Fourth Proportional to 34,455.12, 47,553.27 and 21,034.20

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Solution

The fourth proportional to 34,455.12, 47,553.27 and 21,034.20 is: 29,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455.12 : 47,553.27 = 21,034.20 : x
  2. Step 2: Convert to fraction form
    34,455.12/47,553.27 = 21,034.20/x
  3. Step 3: Cross multiply
    34,455.12x = 47,553.27 × 21,034.20
  4. Step 4: Simplify right side
    34,455.12x = 1,000,244,991.83
  5. Step 5: Solve for x
    x = 1,000,244,991.83/34,455.12
  6. Step 6: Final answer
    x = 29,030.37

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1.5x scale

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.