Home / 21,052.88-31,581.20-6,060.08

Finding the Fourth Proportional to 21,052.88, 31,581.20 and 6,060.08

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Solution

The fourth proportional to 21,052.88, 31,581.20 and 6,060.08 is: 9,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.88 : 31,581.20 = 6,060.08 : x
  2. Step 2: Convert to fraction form
    21,052.88/31,581.20 = 6,060.08/x
  3. Step 3: Cross multiply
    21,052.88x = 31,581.20 × 6,060.08
  4. Step 4: Simplify right side
    21,052.88x = 191,384,598.50
  5. Step 5: Solve for x
    x = 191,384,598.50/21,052.88
  6. Step 6: Final answer
    x = 9,090.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.