Home / 35,721.96-53,563.80-12,021.63

Finding the Fourth Proportional to 35,721.96, 53,563.80 and 12,021.63

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Solution

The fourth proportional to 35,721.96, 53,563.80 and 12,021.63 is: 18,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.96 : 53,563.80 = 12,021.63 : x
  2. Step 2: Convert to fraction form
    35,721.96/53,563.80 = 12,021.63/x
  3. Step 3: Cross multiply
    35,721.96x = 53,563.80 × 12,021.63
  4. Step 4: Simplify right side
    35,721.96x = 643,924,184.99
  5. Step 5: Solve for x
    x = 643,924,184.99/35,721.96
  6. Step 6: Final answer
    x = 18,026.00

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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.