Home / 43,006.47-64,485.10-16,680.48

Finding the Fourth Proportional to 43,006.47, 64,485.10 and 16,680.48

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Solution

The fourth proportional to 43,006.47, 64,485.10 and 16,680.48 is: 25,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,006.47 : 64,485.10 = 16,680.48 : x
  2. Step 2: Convert to fraction form
    43,006.47/64,485.10 = 16,680.48/x
  3. Step 3: Cross multiply
    43,006.47x = 64,485.10 × 16,680.48
  4. Step 4: Simplify right side
    43,006.47x = 1,075,642,420.85
  5. Step 5: Solve for x
    x = 1,075,642,420.85/43,006.47
  6. Step 6: Final answer
    x = 25,011.18

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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.