Home / 51,732.36-71,388.70-29,072.32

Finding the Fourth Proportional to 51,732.36, 71,388.70 and 29,072.32

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Solution

The fourth proportional to 51,732.36, 71,388.70 and 29,072.32 is: 40,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,732.36 : 71,388.70 = 29,072.32 : x
  2. Step 2: Convert to fraction form
    51,732.36/71,388.70 = 29,072.32/x
  3. Step 3: Cross multiply
    51,732.36x = 71,388.70 × 29,072.32
  4. Step 4: Simplify right side
    51,732.36x = 2,075,435,130.78
  5. Step 5: Solve for x
    x = 2,075,435,130.78/51,732.36
  6. Step 6: Final answer
    x = 40,118.70

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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.