Home / 29,075.80-43,628.10-16,605.40

Finding the Fourth Proportional to 29,075.80, 43,628.10 and 16,605.40

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Solution

The fourth proportional to 29,075.80, 43,628.10 and 16,605.40 is: 24,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,075.80 : 43,628.10 = 16,605.40 : x
  2. Step 2: Convert to fraction form
    29,075.80/43,628.10 = 16,605.40/x
  3. Step 3: Cross multiply
    29,075.80x = 43,628.10 × 16,605.40
  4. Step 4: Simplify right side
    29,075.80x = 724,462,051.74
  5. Step 5: Solve for x
    x = 724,462,051.74/29,075.80
  6. Step 6: Final answer
    x = 24,916.32

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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.