Home / 51,929.01-71,662.35-28,960.29

Finding the Fourth Proportional to 51,929.01, 71,662.35 and 28,960.29

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Solution

The fourth proportional to 51,929.01, 71,662.35 and 28,960.29 is: 39,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.01 : 71,662.35 = 28,960.29 : x
  2. Step 2: Convert to fraction form
    51,929.01/71,662.35 = 28,960.29/x
  3. Step 3: Cross multiply
    51,929.01x = 71,662.35 × 28,960.29
  4. Step 4: Simplify right side
    51,929.01x = 2,075,362,079.77
  5. Step 5: Solve for x
    x = 2,075,362,079.77/51,929.01
  6. Step 6: Final answer
    x = 39,965.37

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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.